Mining Bitcoin with pencil and paper: 0.67 hashes per day

Motocoin: The first proof-of-play cryptocurrency

**Motocoin** is an exciting new crypto-currency (launched May 20, 2014) that innovates with the *proof-of-play* scheme that rewards people with newly generated coins for quickly completing randomly generated maps in a fun 2D motorbike game similar to Elasto Mania. Unlike Bitcoin and others that rely on CPUs, GPUs or ASICs for *proof-of-work*, Motocoin relies on human skill and manual input. Join the early adopters, start mining and trading!
[link]

XMG - Coin of the Magi

Coin of the Magi is a peer-to-peer global currency that enables instant payments to anyone in the world. XMG utilizes proof-of-work and proof-of-stake systems and is CPU and eco focussed - rewards reduce as hash increases.
[link]

Dogecoin

The most amazing place on reddit! A subreddit for sharing, discussing, hoarding and wow'ing about Dogecoins. The new innovative crypto-currency.
[link]

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092.

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092. submitted by Bitcoin1776 to Bitcoin [link] [comments]

/Automatically/ play music triggered on the Bitcoin exchange rate...so you know when to /manually/ toggle your mining rig. Embarrassing writing.

If he's being a dick, then he intentionally automated an unnecessary step (playing the music). But that same automation would solve his entire fabricated problem (toggling the rig)! No programmer (especially Richard) would let this slide without at least mentioning the obvious lack of optimization, even if they suspected he was just being a dick. Richard just tells him to "turn it down". No chance.
Being late to meetings is a believable dick move because there is an element of doubt (ie. it's probably intentional, but it can't be proven). If he wanted to be an asshole, he would simply tell Richard the music is to alert him to changes in the Bitcoin price and leave it at that. But adding the rig toggle implies he wants to be believed that this is a real problem he's solving. Somehow his programmer co-workers don't even question his programming solution despite the obvious inefficiency? Instead, they just accept it and endure the music alert for days?! Come on.
Totally unbelievable as a dick move or otherwise from an audience perspective.
submitted by aekotra to SiliconValleyHBO [link] [comments]

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092.

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092. submitted by Bitcoin1776 to CryptoCurrency [link] [comments]

His- i mean, Mine- sorry, Yours lets anyone anywhere in the world to ~lose~ earn bitcoins with nothing more than an internet connection and a 39 page bitcoin security manual. To be released in Two Weeks^TM

His- i mean, Mine- sorry, Yours lets anyone anywhere in the world to ~lose~ earn bitcoins with nothing more than an internet connection and a 39 page bitcoin security manual. To be released in Two Weeks^TM submitted by jstolfi to Buttcoin [link] [comments]

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092.

I've manually verified that in the last 365 days 55,673 blocks were mined. Target was 52,560. #Bitcoin network overshot by 3,113 blocks = 38,912 #BTC = .63% extra inflation. Therefore actual $BTC inflation= 695912.5/Supply at block 494092. submitted by ABitcoinAllBot to BitcoinAll [link] [comments]

Bitcoin mentioned around Reddit: /Automatically/ play music triggered on the Bitcoin exchange rate...so you know when to /manually/ toggle your mining rig. Embarrassing writing. /r/SiliconValleyHBO

Bitcoin mentioned around Reddit: /Automatically/ play music triggered on the Bitcoin exchange rate...so you know when to /manually/ toggle your mining rig. Embarrassing writing. /SiliconValleyHBO submitted by HiIAMCaptainObvious to BitcoinAll [link] [comments]

08-26 11:12 - 'So if someone figured out an equation that pinpointed what some of the un-mined coins were, would they be able to manually input them into the system? How would they go about doing so?' (i.redd.it) by /u/Bitcoiniswin removed from /r/Bitcoin within 1223-1233min

So if someone figured out an equation that pinpointed what some of the un-mined coins were, would they be able to manually input them into the system? How would they go about doing so?
Go1dfish undelete link
unreddit undelete link
Author: Bitcoiniswin
submitted by removalbot to removalbot [link] [comments]

So if someone figured out an equation that pinpointed what some of the un-mined coins were, would they be able to manually input them into the system? How would they go about doing so? /r/Bitcoin

So if someone figured out an equation that pinpointed what some of the un-mined coins were, would they be able to manually input them into the system? How would they go about doing so? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

A Detailed Summary of Every Single Reason Why I am Bullish on Ethereum

The following will be a list of the many reasons why I hold and am extremely bullish on ETH.

This is an extremely long post. If you just want the hopium without the detail, read the TL;DR at the bottom.

ETH 2.0

As we all know, ETH 2.0 phase 0 is right around the corner. This will lock up ETH and stakers will earn interest on their ETH in return for securing the network. Next comes phase 1 where the ETH 2 shards are introduced, shards are essentially parallel blockchains which are each responsible for a different part of Ethereum’s workload, think of it like a multi-core processor vs a single core processor. During phase 1, these shards will only act as data availability layers and won’t actually process transactions yet. However, their data can be utilised by the L2 scaling solution, rollups, increasing Ethereum’s throughput in transactions per second up to 100,000 TPS.
After phase 1 comes phase 1.5 which will move the ETH 1.0 chain into an ETH 2 shard and Ethereum will be fully secured by proof of stake. This means that ETH issuance will drop from around 5% per year to less than 1% and with EIP-1559, ETH might become a deflationary asset, but more on that later.
Finally, with ETH 2.0 phase two, each shard will be fully functional chains. With 64 of them, we can expect the base layer of Ethereum to scale around 64x, not including the massive scaling which comes from layer 2 scaling solutions like rollups as previously mentioned.
While the scaling benefits and ETH issuance reduction which comes with ETH 2.0 will be massive, they aren’t the only benefits. We also get benefits such as increased security from PoS compared to PoW, a huge energy efficiency improvement due to the removal of PoW and also the addition of eWASM which will allow contracts to be programmed in a wide range of programming languages, opening the floodgates for millions of web devs who want to be involved in Ethereum but don’t know Ethereum’s programming language, Solidity.

EIP-1559 and ETH scarcity

As I covered in a previous post of mine, ETH doesn’t have a supply cap like Bitcoin. Instead, it has a monetary policy of “minimum viable issuance”, not only is this is a good thing for network security, but with the addition of EIP-1559, it leaves the door open to the possibility of ETH issuance going negative. In short, EIP-1559 changes the fee market to make transaction prices more efficient (helping to alleviate high gas fees!) by burning a variable base fee which changes based on network usage demand rather than using a highest bidder market where miners simply include who pays them the most. This will result in most of the ETH being paid in transaction fees being burned. As of late, the amount which would be burned if EIP-1559 was in Ethereum right now would make ETH a deflationary asset!

Layer 2 Scaling

In the mean time while we are waiting for ETH 2.0, layer 2 scaling is here. Right now, projects such as Deversifi or Loopring utilise rollups to scale to thousands of tx/s on their decentralised exchange platforms or HoneySwap which uses xDai to offer a more scalable alternative to UniSwap. Speaking of which, big DeFi players like UniSwap and Synthetix are actively looking into using optimistic rollups to scale while maintaining composability between DeFi platforms. The most bullish thing about L2 scaling is all of the variety of options. Here’s a non exhaustive list of Ethereum L2 scaling solutions: - Aztec protocol (L2 scaling + privacy!) - ZKSync - Loopring - Raiden - Arbitrum Rollups - xDai - OMGNetwork - Matic - FuelLabs - Starkware - Optimism - Celer Network - + Many more

DeFi and Composability

If you’re reading this, I am sure you are aware of the phenomena which is Decentralised Finance (DeFi or more accurately, open finance). Ethereum is the first platform to offer permissionless and immutable financial services which when interacting with each other, lead to unprecedented composability and innovation in financial applications. A whole new world of possibilities are opening up thanks to this composability as it allows anyone to take existing pieces of open source code from other DeFi projects, put them together like lego pieces (hence the term money legos) and create something the world has never seen before. None of this was possible before Ethereum because typically financial services are heavily regulated and FinTech is usually proprietary software, so you don’t have any open source lego bricks to build off and you have to build everything you need from scratch. That is if what you want to do is even legal for a centralised institution!
Oh, and if you think that DeFi was just a fad and the bubble has popped, guess again! Total value locked in DeFi is currently at an all time high. Don’t believe me? Find out for yourself on the DeFi Pulse website.

NFTs and tokeniation

NFTs or “Non-Fungible Tokens” - despite the name which may confuse a layman - are a basic concept. They are unique tokens with their own unique attributes. This allows you to create digital art, human readable names for your ETH address (see ENS names and unstoppable domains), breedable virtual collectible creatures like crypto kitties, ownable in game assets like Gods Unchained cards or best of all in my opinion, tokenised ownership of real world assets which can even be split into pieces (this doesn’t necessarily require an NFT. Fungible tokens can be/are used for some of the following use cases). This could be tokenised ownership of real estate (see RealT), tokenised ownership of stocks, bonds and other financial assets (which by the way makes them tradable 24/7 and divisible unlike through the traditional system) or even tokenised ownership of the future income of a celebrity or athlete (see when NBA player Spencer Dinwiddie tokenized his own NBA contract.)

Institutional Adoption

Ethereum is by far the most widely adopted blockchain by enterprises. Ethereum’s Enterprise Ethereum Alliance (EEA) is the largest blockchain-enterprise partnership program and Ethereum is by far the most frequently leveraged blockchain for proof of concepts and innovation in the blockchain space by enterprises. Meanwhile, there are protocols like the Baseline protocol which is a shared framework which allows enterprises to use Ethereum as a common frame of reference and a base settlement layer without having to give up privacy when settling on the public Ethereum mainnet. This framework makes adopting Ethereum much easier for other enterprises.

Institutional Investment

One of Bitcoin’s biggest things it has going for it right now is the growing institutional investment. In case you were wondering, Ethereum has this too! Grayscale offers investment in the cryptocurrency space for financial institutions and their Ethereum fund has already locked up more than 2% of the total supply of ETH. Not only this, but as businesses transact on Ethereum and better understand it, not only will they buy up ETH to pay for their transactions, but they will also realise that much like Bitcoin, Ethereum is a scarce asset. Better yet, a scarce asset which offers yield. As a result, I expect to see companies having ETH holdings become the norm just like how Bitcoin is becoming more widespread on companies’ balance sheets.

The state of global markets

With asset prices in almost every asset class at or near all-time highs and interest rates lower than ever and even negative in some cases, there really aren’t many good opportunities in the traditional financial system right now. Enter crypto - clearly the next evolution of financial services (as I explained in the section on DeFi earlier in this post), with scarce assets built in at the protocol layer, buying BTC or ETH is a lot like buying shares in TCP/IP in 1990 (that is if the underlying protocols of the internet could be invested in which they couldn’t). Best of all, major cryptos are down from their all-time highs anywhere between 35% for BTC or 70% for ETH and much more for many altcoins. This means that they can significantly appreciate in value before entering uncharted, speculative bubble territory.
While of course we could fall dramatically at any moment in the current macro financial conditions, as a longer term play, crypto is very alluring. The existing financial system has shown that it is in dire need of replacing and the potential replacement has started rearing its head in the form of crypto and DeFi.

Improvements in user onboarding and abstracting away complexity

Ethereum has started making huge leaps forward in terms of usability for the end user. We now have ENS names and unstoppable domains which allow you to send ETH to yournamehere.ETH or TrickyTroll.crypto (I don’t actually have that domain, that’s just an example). No longer do you have to check every character of your ugly hexadecimal 0x43AB96D… ETH address to ensure you’re sending your ETH to the right person. We also have smart contract wallets like Argent wallet or the Gnosis safe. These allow for users to access their wallets and interact with DeFi self-custodially from an app on their phone without having to record a private key or recovery phrase. Instead, they offer social recovery and their UI is straight forward enough for anyone who uses a smart phone to understand. Finally, for the more experienced users, DApps like Uniswap have pretty, super easy to use graphical user interfaces and can be used by anyone who knows how to run and use a browser extension like Metamask.

The lack of an obvious #1 ETH killer

One of Ethereum’s biggest threats is for it to be overthrown by a so-called “Ethereum killer” blockchain which claims to do everything Ethereum can do and sometimes more. While there are competitors which are each formidable to a certain extent such as Polkadot, Cardano and EOS, each have their own weaknesses. For example, Polkadot and Cardano are not fully operational yet and EOS is much more centralised than Ethereum. As a result, none of these competitors have any significant network effects just yet relative to the behemoth which is Ethereum. This doesn’t mean that these projects aren’t a threat. In fact, I am sure that projects like Polkadot (which is more focused on complimenting Ethereum than killing it) will take a slice out of Ethereum’s pie. However, I am still very confident that Ethereum will remain on top due to the lack of a clear number 2 smart contract platform. Since none of these ETH killers stands out as the second place smart contract platform, it makes it much harder for one project to create a network effect which even begins to threaten Ethereum’s dominance. This leads me onto my next reason - network effects.

Network effects

This is another topic which I made a previous post on. The network effect is why Bitcoin is still the number one cryptocurrency and by such a long way. Bitcoin is not the most technologically advanced cryptocurrency. However, it has the most widespread name recognition and the most adoption in most metrics (ETH beats in in some metrics these days). The network effect is also why most people use Zoom and Facebook messengeWhatsApp despite the existence of free, private, end to end encrypted alternatives which have all the same features (Jitsi for the zoom alternative and Signal for the private messenger app. I highly recommend both. Let’s get their network effects going!). It is the same for Bitcoin. People don’t want to have to learn about or set up a wallet for alternative options. People like what is familiar and what other people use. Nobody wants to be “that guy” who makes you download yet another app and account you have to remember the password/private key for. In the same way, Enterprises don’t want to have to create a bridge between their existing systems and a dozen different blockchains. Developers don’t want to have to create DeFi money legos from scratch on a new chain if they can just plug in to existing services like Uniswap. Likewise, users don’t want to have to download another browser extension to use DApps on another chain if they already use Ethereum. I know personally I have refrained from investing in altcoins because I would have to install another app on my hardware wallet or remember another recovery phrase.
Overthrowing Ethereum’s network effect is one hell of a big task these days. Time is running out for the ETH killers.

Ethereum is the most decentralised and provably neutral smart contract platform

Ethereum is also arguably the most decentralised and provably neutral smart contract platform (except for maybe Ethereum Classic on the neutrality part). Unlike some smart contract platforms, you can’t round up everyone at the Ethereum Foundation or any select group of people and expect to be able to stop the network. Not only this, but the Ethereum foundation doesn’t have the ability to print more ETH or push through changes as they wish like some people would lead you on to believe. The community would reject detrimental EIPs and hard fork. Ever since the DAO hack, the Ethereum community has made it clear that it will not accept EIPs which attempt to roll back the chain even to recover hacked funds (see EIP-999).
Even if governments around the world wanted to censor the Ethereum blockchain, under ETH 2.0’s proof of stake, it would be incredibly costly and would require a double digit percentage of the total ETH supply, much of which would be slashed (meaning they would lose it) as punishment for running dishonest validator nodes. This means that unlike with proof of work where a 51% attacker can keep attacking the network, under proof of stake, an attacker can only perform the attack a couple of times before they lose all of their ETH. This makes attacks much less financially viable than it is on proof of work chains. Network security is much more than what I laid out above and I am far from an expert but the improved resistance to 51% attacks which PoS provides is significant.
Finally, with the US dollar looking like it will lose its reserve currency status and the existing wire transfer system being outdated, superpowers like China won’t want to use US systems and the US won’t want to use a Chinese system. Enter Ethereum, the provably neutral settlement layer where the USA and China don’t have to trust each other or each other’s banks because they can trust Ethereum. While it may sound like a long shot, it does make sense if Ethereum hits a multi-trillion dollar market cap that it is the most secure and neutral way to transfer value between these adversaries. Not to mention if much of the world’s commerce were to be settled in the same place - on Ethereum - then it would make sense for governments to settle on the same platform.

ETH distribution is decentralised

Thanks to over 5 years of proof of work - a system where miners have to sell newly minted ETH to pay for electricity costs - newly mined ETH has found its way into the hands of everyday people who buy ETH off miners selling on exchnages. As pointed out by u/AdamSC1 in his analysis of the top 10K ETH addresses (I highly recommend reading this if you haven’t already), the distribution of ETH is actually slightly more decentralised than Bitcoin with the top 10,000 ETH wallets holding 56.70% of ETH supply compared to the top 10,000 Bitcoin wallets which hold 57.44% of the Bitcoin supply. This decentralised distribution means that the introduction of staking won’t centralise ETH in the hands of a few wallets who could then control the network. This is an advantage for ETH which many proof of stake ETH killers will never have as they never used PoW to distribute funds widely throughout the community and these ETH killers often did funding rounds giving large numbers of tokens to VC investors.

The community

Finally, while I may be biased, I think that Ethereum has the friendliest community. Anecdotally, I find that the Ethereum developer community is full of forward thinking people who want to make the world a better place and build a better future, many of whom are altruistic and don’t always act in their best interests. Compare this to the much more conservative, “at least we’re safe while the world burns” attitude which many Bitcoiners have. I don’t want to generalise too much here as the Bitcoin community is great too and there are some wonderful people there. But the difference is clear if you compare the daily discussion of Bitcoin to the incredibly helpful and welcoming daily discussion of EthFinance who will happily answer your noob questions without calling you an idiot and telling you to do you own research (there are plenty more examples in any of the daily threads). Or the very helpful folks over at EthStaker who will go out of their way to help you set up an ETH 2.0 staking node on the testnets (Shoutout to u/superphiz who does a lot of work over in that sub!). Don’t believe me? Head over to those subs and see for yourself.
Please don’t hate on me if you disagree about which project has the best community, it is just my very biased personal opinion and I respect your opinion if you disagree! :)

TL;DR:

submitted by Tricky_Troll to CryptoCurrency [link] [comments]

Accidentally sent a transaction today with a 15 satoshi per byte tx fee FML

Accidentally sent a transaction today with a 15 satoshi per byte tx fee FML submitted by katiecharm to Bitcoin [link] [comments]

Newegg - Update Regarding NVIDIA GeForce RTX 3080 Video Cards

Just received this email from Newegg:

Dear Customer,
Thank you for subscribing to receive an Auto Notify Email about NVIDIA RTX 3080. If you were among the hundreds of thousands who tried buying one at launch, we hope you were successful. However if you were unable to get one, we’d like to provide you with as much information as we can, as well as our plan for the rest of the RTX 30 Series launch.
Newegg released the NVIDIA RTX 3080 graphics cards on Thursday, September 17th at 6:00 am PT. We tried to procure as many cards as possible from our partners, however our inventory was very limited and far from sufficient to meet the enormity of the demand. To maintain a level playing field, we made sure our bot protection was active to help ensure all orders were placed by humans. We mandated a 1-unit-per-order limit to spread the cards to as many customers as possible, and to prevent scalpers from leveraging our site. We conducted a manual inspection of all 30 Series orders to validate our protections and are confident that cards are getting to real customers. We are also actively reporting any Newegg screenshots of orders as they appear on 3rd party marketplaces.
Due to the unprecedented amount of traffic the morning of the launch, our inventory of RTX 30 Series cards sold out in minutes. We are currently restocking our inventory as more cards come in from various manufacturers and will continue to do so on a daily/weekly basis. We cannot disclose precisely when cards will be coming in, but they will be activated on our site as we receive inventory from each manufacturer.
NVIDIA created an incredible card which has an incredible demand, and our partners have created some spectacular models with it. From previous launches to the bitcoin mining boom, we’ve seen it all and have processes in place to ensure everyone has a fighting chance to upgrade their rig or start a new build. We’re excited to see the PC community grow and are doing everything we can to procure more components for our beloved PC family.
Upcoming are two more releases: the NVIDIA GeForce RTX 3090 on Sept. 24th, and the NVIDIA GeForce RTX 3070 on Oct 15th.
Keep checking the site for the 3080 cards, or if you prefer to wait for the upcoming releases instead, we’ll see you then.
Sincerely, Newegg
submitted by TaintedSquirrel to nvidia [link] [comments]

Dragonchain Great Reddit Scaling Bake-Off Public Proposal

Dragonchain Great Reddit Scaling Bake-Off Public Proposal

Dragonchain Public Proposal TL;DR:

Dragonchain has demonstrated twice Reddit’s entire total daily volume (votes, comments, and posts per Reddit 2019 Year in Review) in a 24-hour demo on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. At the time, in January 2020, the entire cost of the demo was approximately $25K on a single system (transaction fees locked at $0.0001/txn). With current fees (lowest fee $0.0000025/txn), this would cost as little as $625.
Watch Joe walk through the entire proposal and answer questions on YouTube.
This proposal is also available on the Dragonchain blog.

Hello Reddit and Ethereum community!

I’m Joe Roets, Founder & CEO of Dragonchain. When the team and I first heard about The Great Reddit Scaling Bake-Off we were intrigued. We believe we have the solutions Reddit seeks for its community points system and we have them at scale.
For your consideration, we have submitted our proposal below. The team at Dragonchain and I welcome and look forward to your technical questions, philosophical feedback, and fair criticism, to build a scaling solution for Reddit that will empower its users. Because our architecture is unlike other blockchain platforms out there today, we expect to receive many questions while people try to grasp our project. I will answer all questions here in this thread on Reddit, and I've answered some questions in the stream on YouTube.
We have seen good discussions so far in the competition. We hope that Reddit’s scaling solution will emerge from The Great Reddit Scaling Bake-Off and that Reddit will have great success with the implementation.

Executive summary

Dragonchain is a robust open source hybrid blockchain platform that has proven to withstand the passing of time since our inception in 2014. We have continued to evolve to harness the scalability of private nodes, yet take full advantage of the security of public decentralized networks, like Ethereum. We have a live, operational, and fully functional Interchain network integrating Bitcoin, Ethereum, Ethereum Classic, and ~700 independent Dragonchain nodes. Every transaction is secured to Ethereum, Bitcoin, and Ethereum Classic. Transactions are immediately usable on chain, and the first decentralization is seen within 20 seconds on Dragon Net. Security increases further to public networks ETH, BTC, and ETC within 10 minutes to 2 hours. Smart contracts can be written in any executable language, offering full freedom to existing developers. We invite any developer to watch the demo, play with our SDK’s, review open source code, and to help us move forward. Dragonchain specializes in scalable loyalty & rewards solutions and has built a decentralized social network on chain, with very affordable transaction costs. This experience can be combined with the insights Reddit and the Ethereum community have gained in the past couple of months to roll out the solution at a rapid pace.

Response and PoC

In The Great Reddit Scaling Bake-Off post, Reddit has asked for a series of demonstrations, requirements, and other considerations. In this section, we will attempt to answer all of these requests.

Live Demo

A live proof of concept showing hundreds of thousands of transactions
On Jan 7, 2020, Dragonchain hosted a 24-hour live demonstration during which a quarter of a billion (250 million+) transactions executed fully on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. This means that every single transaction is secured by, and traceable to these networks. An attack on this system would require a simultaneous attack on all of the Interchained networks.
24 hours in 4 minutes (YouTube):
24 hours in 4 minutes
The demonstration was of a single business system, and any user is able to scale this further, by running multiple systems simultaneously. Our goals for the event were to demonstrate a consistent capacity greater than that of Visa over an extended time period.
Tooling to reproduce our demo is available here:
https://github.com/dragonchain/spirit-bomb

Source Code

Source code (for on & off-chain components as well tooling used for the PoC). The source code does not have to be shared publicly, but if Reddit decides to use a particular solution it will need to be shared with Reddit at some point.

Scaling

How it works & scales

Architectural Scaling

Dragonchain’s architecture attacks the scalability issue from multiple angles. Dragonchain is a hybrid blockchain platform, wherein every transaction is protected on a business node to the requirements of that business or purpose. A business node may be held completely private or may be exposed or replicated to any level of exposure desired.
Every node has its own blockchain and is independently scalable. Dragonchain established Context Based Verification as its consensus model. Every transaction is immediately usable on a trust basis, and in time is provable to an increasing level of decentralized consensus. A transaction will have a level of decentralization to independently owned and deployed Dragonchain nodes (~700 nodes) within seconds, and full decentralization to BTC and ETH within minutes or hours. Level 5 nodes (Interchain nodes) function to secure all transactions to public or otherwise external chains such as Bitcoin and Ethereum. These nodes scale the system by aggregating multiple blocks into a single Interchain transaction on a cadence. This timing is configurable based upon average fees for each respective chain. For detailed information about Dragonchain’s architecture, and Context Based Verification, please refer to the Dragonchain Architecture Document.

Economic Scaling

An interesting feature of Dragonchain’s network consensus is its economics and scarcity model. Since Dragon Net nodes (L2-L4) are independent staking nodes, deployment to cloud platforms would allow any of these nodes to scale to take on a large percentage of the verification work. This is great for scalability, but not good for the economy, because there is no scarcity, and pricing would develop a downward spiral and result in fewer verification nodes. For this reason, Dragonchain uses TIME as scarcity.
TIME is calculated as the number of Dragons held, multiplied by the number of days held. TIME influences the user’s access to features within the Dragonchain ecosystem. It takes into account both the Dragon balance and length of time each Dragon is held. TIME is staked by users against every verification node and dictates how much of the transaction fees are awarded to each participating node for every block.
TIME also dictates the transaction fee itself for the business node. TIME is staked against a business node to set a deterministic transaction fee level (see transaction fee table below in Cost section). This is very interesting in a discussion about scaling because it guarantees independence for business implementation. No matter how much traffic appears on the entire network, a business is guaranteed to not see an increased transaction fee rate.

Scaled Deployment

Dragonchain uses Docker and Kubernetes to allow the use of best practices traditional system scaling. Dragonchain offers managed nodes with an easy to use web based console interface. The user may also deploy a Dragonchain node within their own datacenter or favorite cloud platform. Users have deployed Dragonchain nodes on-prem on Amazon AWS, Google Cloud, MS Azure, and other hosting platforms around the world. Any executable code, anything you can write, can be written into a smart contract. This flexibility is what allows us to say that developers with no blockchain experience can use any code language to access the benefits of blockchain. Customers have used NodeJS, Python, Java, and even BASH shell script to write smart contracts on Dragonchain.
With Docker containers, we achieve better separation of concerns, faster deployment, higher reliability, and lower response times.
We chose Kubernetes for its self-healing features, ability to run multiple services on one server, and its large and thriving development community. It is resilient, scalable, and automated. OpenFaaS allows us to package smart contracts as Docker images for easy deployment.
Contract deployment time is now bounded only by the size of the Docker image being deployed but remains fast even for reasonably large images. We also take advantage of Docker’s flexibility and its ability to support any language that can run on x86 architecture. Any image, public or private, can be run as a smart contract using Dragonchain.

Flexibility in Scaling

Dragonchain’s architecture considers interoperability and integration as key features. From inception, we had a goal to increase adoption via integration with real business use cases and traditional systems.
We envision the ability for Reddit, in the future, to be able to integrate alternate content storage platforms or other financial services along with the token.
  • LBRY - To allow users to deploy content natively to LBRY
  • MakerDAO to allow users to lend small amounts backed by their Reddit community points.
  • STORJ/SIA to allow decentralized on chain storage of portions of content. These integrations or any other are relatively easy to integrate on Dragonchain with an Interchain implementation.

Cost

Cost estimates (on-chain and off-chain) For the purpose of this proposal, we assume that all transactions are on chain (posts, replies, and votes).
On the Dragonchain network, transaction costs are deterministic/predictable. By staking TIME on the business node (as described above) Reddit can reduce transaction costs to as low as $0.0000025 per transaction.
Dragonchain Fees Table

Getting Started

How to run it
Building on Dragonchain is simple and requires no blockchain experience. Spin up a business node (L1) in our managed environment (AWS), run it in your own cloud environment, or on-prem in your own datacenter. Clear documentation will walk you through the steps of spinning up your first Dragonchain Level 1 Business node.
Getting started is easy...
  1. Download Dragonchain’s dctl
  2. Input three commands into a terminal
  3. Build an image
  4. Run it
More information can be found in our Get started documents.

Architecture
Dragonchain is an open source hybrid platform. Through Dragon Net, each chain combines the power of a public blockchain (like Ethereum) with the privacy of a private blockchain.
Dragonchain organizes its network into five separate levels. A Level 1, or business node, is a totally private blockchain only accessible through the use of public/private keypairs. All business logic, including smart contracts, can be executed on this node directly and added to the chain.
After creating a block, the Level 1 business node broadcasts a version stripped of sensitive private data to Dragon Net. Three Level 2 Validating nodes validate the transaction based on guidelines determined from the business. A Level 3 Diversity node checks that the level 2 nodes are from a diverse array of locations. A Level 4 Notary node, hosted by a KYC partner, then signs the validation record received from the Level 3 node. The transaction hash is ledgered to the Level 5 public chain to take advantage of the hash power of massive public networks.
Dragon Net can be thought of as a “blockchain of blockchains”, where every level is a complete private blockchain. Because an L1 can send to multiple nodes on a single level, proof of existence is distributed among many places in the network. Eventually, proof of existence reaches level 5 and is published on a public network.

API Documentation

APIs (on chain & off)

SDK Source

Nobody’s Perfect

Known issues or tradeoffs
  • Dragonchain is open source and even though the platform is easy enough for developers to code in any language they are comfortable with, we do not have so large a developer community as Ethereum. We would like to see the Ethereum developer community (and any other communities) become familiar with our SDK’s, our solutions, and our platform, to unlock the full potential of our Ethereum Interchain. Long ago we decided to prioritize both Bitcoin and Ethereum Interchains. We envision an ecosystem that encompasses different projects to give developers the ability to take full advantage of all the opportunities blockchain offers to create decentralized solutions not only for Reddit but for all of our current platforms and systems. We believe that together we will take the adoption of blockchain further. We currently have additional Interchain with Ethereum Classic. We look forward to Interchain with other blockchains in the future. We invite all blockchains projects who believe in decentralization and security to Interchain with Dragonchain.
  • While we only have 700 nodes compared to 8,000 Ethereum and 10,000 Bitcoin nodes. We harness those 18,000 nodes to scale to extremely high levels of security. See Dragonchain metrics.
  • Some may consider the centralization of Dragonchain’s business nodes as an issue at first glance, however, the model is by design to protect business data. We do not consider this a drawback as these nodes can make any, none, or all data public. Depending upon the implementation, every subreddit could have control of its own business node, for potential business and enterprise offerings, bringing new alternative revenue streams to Reddit.

Costs and resources

Summary of cost & resource information for both on-chain & off-chain components used in the PoC, as well as cost & resource estimates for further scaling. If your PoC is not on mainnet, make note of any mainnet caveats (such as congestion issues).
Every transaction on the PoC system had a transaction fee of $0.0001 (one-hundredth of a cent USD). At 256MM transactions, the demo cost $25,600. With current operational fees, the same demonstration would cost $640 USD.
For the demonstration, to achieve throughput to mimic a worldwide payments network, we modeled several clients in AWS and 4-5 business nodes to handle the traffic. The business nodes were tuned to handle higher throughput by adjusting memory and machine footprint on AWS. This flexibility is valuable to implementing a system such as envisioned by Reddit. Given that Reddit’s daily traffic (posts, replies, and votes) is less than half that of our demo, we would expect that the entire Reddit system could be handled on 2-5 business nodes using right-sized containers on AWS or similar environments.
Verification was accomplished on the operational Dragon Net network with over 700 independently owned verification nodes running around the world at no cost to the business other than paid transaction fees.

Requirements

Scaling

This PoC should scale to the numbers below with minimal costs (both on & off-chain). There should also be a clear path to supporting hundreds of millions of users.
Over a 5 day period, your scaling PoC should be able to handle:
*100,000 point claims (minting & distributing points) *25,000 subscriptions *75,000 one-off points burning *100,000 transfers
During Dragonchain’s 24 hour demo, the above required numbers were reached within the first few minutes.
Reddit’s total activity is 9000% more than Ethereum’s total transaction level. Even if you do not include votes, it is still 700% more than Ethereum’s current volume. Dragonchain has demonstrated that it can handle 250 million transactions a day, and it’s architecture allows for multiple systems to work at that level simultaneously. In our PoC, we demonstrate double the full capacity of Reddit, and every transaction was proven all the way to Bitcoin and Ethereum.
Reddit Scaling on Ethereum

Decentralization

Solutions should not depend on any single third-party provider. We prefer solutions that do not depend on specific entities such as Reddit or another provider, and solutions with no single point of control or failure in off-chain components but recognize there are numerous trade-offs to consider
Dragonchain’s architecture calls for a hybrid approach. Private business nodes hold the sensitive data while the validation and verification of transactions for the business are decentralized within seconds and secured to public blockchains within 10 minutes to 2 hours. Nodes could potentially be controlled by owners of individual subreddits for more organic decentralization.
  • Billing is currently centralized - there is a path to federation and decentralization of a scaled billing solution.
  • Operational multi-cloud
  • Operational on-premises capabilities
  • Operational deployment to any datacenter
  • Over 700 independent Community Verification Nodes with proof of ownership
  • Operational Interchain (Interoperable to Bitcoin, Ethereum, and Ethereum Classic, open to more)

Usability Scaling solutions should have a simple end user experience.

Users shouldn't have to maintain any extra state/proofs, regularly monitor activity, keep track of extra keys, or sign anything other than their normal transactions
Dragonchain and its customers have demonstrated extraordinary usability as a feature in many applications, where users do not need to know that the system is backed by a live blockchain. Lyceum is one of these examples, where the progress of academy courses is being tracked, and successful completion of courses is rewarded with certificates on chain. Our @Save_The_Tweet bot is popular on Twitter. When used with one of the following hashtags - #please, #blockchain, #ThankYou, or #eternalize the tweet is saved through Eternal to multiple blockchains. A proof report is available for future reference. Other examples in use are DEN, our decentralized social media platform, and our console, where users can track their node rewards, view their TIME, and operate a business node.
Examples:

Transactions complete in a reasonable amount of time (seconds or minutes, not hours or days)
All transactions are immediately usable on chain by the system. A transaction begins the path to decentralization at the conclusion of a 5-second block when it gets distributed across 5 separate community run nodes. Full decentralization occurs within 10 minutes to 2 hours depending on which interchain (Bitcoin, Ethereum, or Ethereum Classic) the transaction hits first. Within approximately 2 hours, the combined hash power of all interchained blockchains secures the transaction.

Free to use for end users (no gas fees, or fixed/minimal fees that Reddit can pay on their behalf)
With transaction pricing as low as $0.0000025 per transaction, it may be considered reasonable for Reddit to cover transaction fees for users.
All of Reddit's Transactions on Blockchain (month)
Community points can be earned by users and distributed directly to their Reddit account in batch (as per Reddit minting plan), and allow users to withdraw rewards to their Ethereum wallet whenever they wish. Withdrawal fees can be paid by either user or Reddit. This model has been operating inside the Dragonchain system since 2018, and many security and financial compliance features can be optionally added. We feel that this capability greatly enhances user experience because it is seamless to a regular user without cryptocurrency experience, yet flexible to a tech savvy user. With regard to currency or token transactions, these would occur on the Reddit network, verified to BTC and ETH. These transactions would incur the $0.0000025 transaction fee. To estimate this fee we use the monthly active Reddit users statista with a 60% adoption rate and an estimated 10 transactions per month average resulting in an approximate $720 cost across the system. Reddit could feasibly incur all associated internal network charges (mining/minting, transfer, burn) as these are very low and controllable fees.
Reddit Internal Token Transaction Fees

Reddit Ethereum Token Transaction Fees
When we consider further the Ethereum fees that might be incurred, we have a few choices for a solution.
  1. Offload all Ethereum transaction fees (user withdrawals) to interested users as they wish to withdraw tokens for external use or sale.
  2. Cover Ethereum transaction fees by aggregating them on a timed schedule. Users would request withdrawal (from Reddit or individual subreddits), and they would be transacted on the Ethereum network every hour (or some other schedule).
  3. In a combination of the above, customers could cover aggregated fees.
  4. Integrate with alternate Ethereum roll up solutions or other proposals to aggregate minting and distribution transactions onto Ethereum.

Bonus Points

Users should be able to view their balances & transactions via a blockchain explorer-style interface
From interfaces for users who have no knowledge of blockchain technology to users who are well versed in blockchain terms such as those present in a typical block explorer, a system powered by Dragonchain has flexibility on how to provide balances and transaction data to users. Transactions can be made viewable in an Eternal Proof Report, which displays raw data along with TIME staking information and traceability all the way to Bitcoin, Ethereum, and every other Interchained network. The report shows fields such as transaction ID, timestamp, block ID, multiple verifications, and Interchain proof. See example here.
Node payouts within the Dragonchain console are listed in chronological order and can be further seen in either Dragons or USD. See example here.
In our social media platform, Dragon Den, users can see, in real-time, their NRG and MTR balances. See example here.
A new influencer app powered by Dragonchain, Raiinmaker, breaks down data into a user friendly interface that shows coin portfolio, redeemed rewards, and social scores per campaign. See example here.

Exiting is fast & simple
Withdrawing funds on Dragonchain’s console requires three clicks, however, withdrawal scenarios with more enhanced security features per Reddit’s discretion are obtainable.

Interoperability Compatibility with third party apps (wallets/contracts/etc) is necessary.
Proven interoperability at scale that surpasses the required specifications. Our entire platform consists of interoperable blockchains connected to each other and traditional systems. APIs are well documented. Third party permissions are possible with a simple smart contract without the end user being aware. No need to learn any specialized proprietary language. Any code base (not subsets) is usable within a Docker container. Interoperable with any blockchain or traditional APIs. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js. Please see our source code and API documentation.

Scaling solutions should be extensible and allow third parties to build on top of it Open source and extensible
APIs should be well documented and stable

Documentation should be clear and complete
For full documentation, explore our docs, SDK’s, Github repo’s, architecture documents, original Disney documentation, and other links or resources provided in this proposal.

Third-party permissionless integrations should be possible & straightforward Smart contracts are Docker based, can be written in any language, use full language (not subsets), and can therefore be integrated with any system including traditional system APIs. Simple is better. Learning an uncommon or proprietary language should not be necessary.
Advanced knowledge of mathematics, cryptography, or L2 scaling should not be required. Compatibility with common utilities & toolchains is expected.
Dragonchain business nodes and smart contracts leverage Docker to allow the use of literally any language or executable code. No proprietary language is necessary. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js.

Bonus

Bonus Points: Show us how it works. Do you have an idea for a cool new use case for Community Points? Build it!

TIME

Community points could be awarded to Reddit users based upon TIME too, whereas the longer someone is part of a subreddit, the more community points someone naturally gained, even if not actively commenting or sharing new posts. A daily login could be required for these community points to be credited. This grants awards to readers too and incentivizes readers to create an account on Reddit if they browse the website often. This concept could also be leveraged to provide some level of reputation based upon duration and consistency of contribution to a community subreddit.

Dragon Den

Dragonchain has already built a social media platform that harnesses community involvement. Dragon Den is a decentralized community built on the Dragonchain blockchain platform. Dragon Den is Dragonchain’s answer to fake news, trolling, and censorship. It incentivizes the creation and evaluation of quality content within communities. It could be described as being a shareholder of a subreddit or Reddit in its entirety. The more your subreddit is thriving, the more rewarding it will be. Den is currently in a public beta and in active development, though the real token economy is not live yet. There are different tokens for various purposes. Two tokens are Lair Ownership Rights (LOR) and Lair Ownership Tokens (LOT). LOT is a non-fungible token for ownership of a specific Lair. LOT will only be created and converted from LOR.
Energy (NRG) and Matter (MTR) work jointly. Your MTR determines how much NRG you receive in a 24-hour period. Providing quality content, or evaluating content will earn MTR.

Security. Users have full ownership & control of their points.
All community points awarded based upon any type of activity or gift, are secured and provable to all Interchain networks (currently BTC, ETH, ETC). Users are free to spend and withdraw their points as they please, depending on the features Reddit wants to bring into production.

Balances and transactions cannot be forged, manipulated, or blocked by Reddit or anyone else
Users can withdraw their balance to their ERC20 wallet, directly through Reddit. Reddit can cover the fees on their behalf, or the user covers this with a portion of their balance.

Users should own their points and be able to get on-chain ERC20 tokens without permission from anyone else
Through our console users can withdraw their ERC20 rewards. This can be achieved on Reddit too. Here is a walkthrough of our console, though this does not show the quick withdrawal functionality, a user can withdraw at any time. https://www.youtube.com/watch?v=aNlTMxnfVHw

Points should be recoverable to on-chain ERC20 tokens even if all third-parties involved go offline
If necessary, signed transactions from the Reddit system (e.g. Reddit + Subreddit) can be sent to the Ethereum smart contract for minting.

A public, third-party review attesting to the soundness of the design should be available
To our knowledge, at least two large corporations, including a top 3 accounting firm, have conducted positive reviews. These reviews have never been made public, as Dragonchain did not pay or contract for these studies to be released.

Bonus points
Public, third-party implementation review available or in progress
See above

Compatibility with HSMs & hardware wallets
For the purpose of this proposal, all tokenization would be on the Ethereum network using standard token contracts and as such, would be able to leverage all hardware wallet and Ethereum ecosystem services.

Other Considerations

Minting/distributing tokens is not performed by Reddit directly
This operation can be automated by smart contract on Ethereum. Subreddits can if desired have a role to play.

One off point burning, as well as recurring, non-interactive point burning (for subreddit memberships) should be possible and scalable
This is possible and scalable with interaction between Dragonchain Reddit system and Ethereum token contract(s).

Fully open-source solutions are strongly preferred
Dragonchain is fully open source (see section on Disney release after conclusion).

Conclusion

Whether it is today, or in the future, we would like to work together to bring secure flexibility to the highest standards. It is our hope to be considered by Ethereum, Reddit, and other integrative solutions so we may further discuss the possibilities of implementation. In our public demonstration, 256 million transactions were handled in our operational network on chain in 24 hours, for the low cost of $25K, which if run today would cost $625. Dragonchain’s interoperable foundation provides the atmosphere necessary to implement a frictionless community points system. Thank you for your consideration of our proposal. We look forward to working with the community to make something great!

Disney Releases Blockchain Platform as Open Source

The team at Disney created the Disney Private Blockchain Platform. The system was a hybrid interoperable blockchain platform for ledgering and smart contract development geared toward solving problems with blockchain adoption and usability. All objective evaluation would consider the team’s output a success. We released a list of use cases that we explored in some capacity at Disney, and our input on blockchain standardization as part of our participation in the W3C Blockchain Community Group.
https://lists.w3.org/Archives/Public/public-blockchain/2016May/0052.html

Open Source

In 2016, Roets proposed to release the platform as open source to spread the technology outside of Disney, as others within the W3C group were interested in the solutions that had been created inside of Disney.
Following a long process, step by step, the team met requirements for release. Among the requirements, the team had to:
  • Obtain VP support and approval for the release
  • Verify ownership of the software to be released
  • Verify that no proprietary content would be released
  • Convince the organization that there was a value to the open source community
  • Convince the organization that there was a value to Disney
  • Offer the plan for ongoing maintenance of the project outside of Disney
  • Itemize competing projects
  • Verify no conflict of interest
  • Preferred license
  • Change the project name to not use the name Disney, any Disney character, or any other associated IP - proposed Dragonchain - approved
  • Obtain legal approval
  • Approval from corporate, parks, and other business units
  • Approval from multiple Disney patent groups Copyright holder defined by Disney (Disney Connected and Advanced Technologies)
  • Trademark searches conducted for the selected name Dragonchain
  • Obtain IT security approval
  • Manual review of OSS components conducted
  • OWASP Dependency and Vulnerability Check Conducted
  • Obtain technical (software) approval
  • Offer management, process, and financial plans for the maintenance of the project.
  • Meet list of items to be addressed before release
  • Remove all Disney project references and scripts
  • Create a public distribution list for email communications
  • Remove Roets’ direct and internal contact information
  • Create public Slack channel and move from Disney slack channels
  • Create proper labels for issue tracking
  • Rename internal private Github repository
  • Add informative description to Github page
  • Expand README.md with more specific information
  • Add information beyond current “Blockchains are Magic”
  • Add getting started sections and info on cloning/forking the project
  • Add installation details
  • Add uninstall process
  • Add unit, functional, and integration test information
  • Detail how to contribute and get involved
  • Describe the git workflow that the project will use
  • Move to public, non-Disney git repository (Github or Bitbucket)
  • Obtain Disney Open Source Committee approval for release
On top of meeting the above criteria, as part of the process, the maintainer of the project had to receive the codebase on their own personal email and create accounts for maintenance (e.g. Github) with non-Disney accounts. Given the fact that the project spanned multiple business units, Roets was individually responsible for its ongoing maintenance. Because of this, he proposed in the open source application to create a non-profit organization to hold the IP and maintain the project. This was approved by Disney.
The Disney Open Source Committee approved the application known as OSSRELEASE-10, and the code was released on October 2, 2016. Disney decided to not issue a press release.
Original OSSRELASE-10 document

Dragonchain Foundation

The Dragonchain Foundation was created on January 17, 2017. https://den.social/l/Dragonchain/24130078352e485d96d2125082151cf0/dragonchain-and-disney/
submitted by j0j0r0 to ethereum [link] [comments]

"My transaction is stuck, what to do?" - an explainer [DRAFT]

In the last days we have been experiencing a sharp rise in price, which is historically correlated with many people transacting over the Bitcoin network. Many people transacting over the Bitcoin network implies that the blockspace is in popular demand, meaning that when you send a transaction, it has to compete with other transactions for the inclusion in one of the blocks in the future. Miners are motivated by profits and transactions that pay more than other transactions are preferred when mining a new block. Although the network is working as intended (blockspace is a scarce good, subject to supply/demand dynamics, regulated purely by fees), people who are unfamiliar with it might feel worried that their transaction is “stuck” or otherwise somehow lost or “in limbo”. This post attempts to explain how the mempool works, how to optimize fees and that one does not need to worry about their funds.

TL;DR: Your funds are safe. Just be patient* and it'll be confirmed at some point. A transaction either will be confirmed or it never leaves your wallet, so there is nothing to worry about in regards to the safety of your coins.

You can see how the mempool "ebbs and flows", and lower fee tx's get confirmed in the "ebb" times (weekends, nights): https://jochen-hoenicke.de/queue/#0,30d
* if you are in hurry there are things like RBF (Replace By Fee) and CPFC (Child Pays For Parent), which you can use to boost your transaction fees; you will need an advanced wallet like Bitcoin Core or Electrum for that though. Keep also in mind that this is not possible with any transaction (RBF requires opt in before sending, f.ex). If nothing else works and your transaction really needs a soon confirmation, you can try and contact a mining pool to ask them if they would include your transaction. Some mining pools even offer a web-interface for this: 1, 2.
Here’s how Andreas Antonopoulos describes it:
In bitcoin there is no "in transit". Transactions are atomic meaning they either happen all at once or don't happen at all. There is no situation where they "leave" one wallet and are not simultaneously and instantaneously in the destination address. Either the transaction happened or it didn't. The only time you can't see the funds is if your wallet is hiding them because it is tracking a pending transaction and doesn't want you to try and spend funds that are already being spent in another transaction. It doesn't mean the money is in limbo, it's just your wallet waiting to see the outcome. If that is the case, you just wait. Eventually the transaction will either happen or will be deleted by the network.
tl;dr: your funds are safe

How is the speed of confirmations determined in bitcoin?

Open this site: https://jochen-hoenicke.de/queue/#0,2w
Here you see how many transactions are currently (and were historically) waiting to be confirmed, i.e how many transactions are currently competing with your transaction for blockspace (=confirmation).
You can see two important things: the differently coloured layers, each layer representing a different fee (higher layer = higher fees). You can point at a layer and see which fees (expressed in sat/byte) are represented in this layer. You can then deduct which layer your own transaction is currently at, and how far away from the top your position is (miners work through the mempool always from the top, simply because the tx's on top pay them more). You can estimate that each newly mined block removes roughly 1.xMB from the top (see the third graph which shows the mempool size in MB). On average, a new block is produced every ten minutes. But keep in mind that over time more transactions come into the mempool, so there can be periods where transactions are coming faster than transactions being “processed” by miners.
The second important observation is that the mempool "ebbs and flows", so even the lower paid transactions are periodically being confirmed at some point.
In short: what determines the speed of a confirmation is A) how high you set the fees (in sat/byte), B) how many other transactions with same or higher fees are currently competing with yours and C) how many transactions with higher paid fees will be broadcast after yours.
A) you can influence directly, B) you can observe in real time, but C) is difficult to predict. So it's always a little tricky to tell when the first confirmation happens if you set your fees low. But it's quite certain that at some point even the cheap transactions will come through.

So what happens if my transaction stays unconfirmed for days or even weeks?

Transactions are being broadcast by the full nodes on the network. Each node can adjust their settings for how long they keep unconfirmed transactions in their mempool. That’s why there is not a fixed amount of time after which a transaction is dropped from the mempool, but most nodes drop unconfirmed tx’s after two weeks [IS THIS CORRECT?]. This means that in the absolute worst case the unconfirmed transaction will simply disappear from the network, as if it never happened. Keep in mind that in those two weeks the coins never actually leave your wallet. It’s just that your wallet doesn’t show them as “available”, but you still have options like RBF and CPFP to get your transaction confirmed with higher fees, or to “cancel” your transaction by spending the same coins onto another address with a higher fee.

Helpful tools to estimate fees for future transactions:

Here are some resources that can help you estimate fees when sending a bitcoin transaction, so you don't end up overpaying (or underpaying) unnecessarily. Keep in mind that in order to take advantage of this, you need a proper bitcoin wallet which allows for custom fee setting. A selection of such wallets you can find here or here.
The order here is roughly from advanced to easy.
1) https://jochen-hoenicke.de/queue/#0,24h
Here you can see a visualization of how many unconfirmed transactions are currently on the network, as well as how many were there in the past. Each coloured layer represents a different fee amount. F.ex the deep blue (lowest layer) are the 1sat/byte transactions, slightly brighter level above are the 2sat/byte transactions and so on.
The most interesting graph is the third one, which shows you the size of the current mempool in MB and the amount of transactions with different fee levels, which would compete with your transaction if you were to send it right now. This should help you estimating how high you need to set the fee (in sat/byte) in order to have it confirmed "soon". But this also should help you to see that even the 1sat/byte transactions get confirmed very regularly, especially on weekends and in the night periods, and that the spikes in the mempool are always temporary. For that you can switch to higher timeframes in the upper right corner, f.ex here is a 30 days view: https://jochen-hoenicke.de/queue/#0,30d. You clearly can see that the mempool is cyclical and you can set a very low fee if you are not in hurry.
2) https://mempool.space
This is also an overview of the current mempool status, although less visual than the previous one. It shows you some important stats, like the mempool size, some basic stats of the recent blocks (tx fees, size etc). Most importantly, it makes a projection of how large you need to set your fees in sat/byte if you want your transaction to be included in the next block, or within the next two/three/four blocks. You can see this projection in the left upper corner (the blocks coloured in brown).
3) https://whatthefee.io
This is a simple estimation tool. It shows you the likelihood (in %) of a particular fee size (in sat/byte) to be confirmed within a particular timeframe (measured in hours). It is very simple to use, but the disadvantage is that it shows you estimates only for the next 24 hours. You probably will overpay by this method if your transaction is less time sensitive than that.
4) https://twitter.com/CoreFeeHelper
This is a very simple bot that tweets out fees projections every hour or so. It tells you how you need to set the fees in order to be confirmed within 1hou6hours/12hours/1day/3days/1week. Very simple to use.
Hopefully one of these tools will help you save fees for your next bitcoin transaction. Or at least help you understand that even with a very low fee setting your transaction will be confirmed sooner or later. Furthermore, I hope it makes you understand how important it is to use a wallet that allows you to set your own fees.
submitted by TheGreatMuffin to u/TheGreatMuffin [link] [comments]

GameMax GM-1650 1650W 80 Plus Gold Power Supply with 14cm Fan - Black £85.80 at Amazon

The description of this deal was not provided by this subreddit and it's contributors.
£85.80 - CCLOnline
Product Description
Game Max 12V ATX 1650w power SUPPLY used for bitcoin mining and ethereum ETH mining 8 GPU. A channel independent + 12V Output, power factor up to 1650w 80 Plus Gold high conversion efficiency, The typical load efficiency up to 90%. A large 140mm fan structure, intelligent temperature control, large air volume, ultra mute function mature APFC + and double forward technology, the most green and environmentally friendly power source: high power, high efficiency and full RoHS craft radiation. The applicability of the strongest power: full power input, support multiple high-power quad-core CPU's, support for 6 graphics card, high-performance motherboard graphics cards and other devices.
key features
efficiency exceed 88% at 220V (Gold 90% Designed basis)
thermal control technology
protection circuitry offer: OVP/ OPP/ SCP/ OCP/ UVP/ otp
100% burn-in under ambient temperature up to 45 degrees
100% high voltage test under AC 1.5Kv 10mA 3 seconds
standby power Less than 1W, low power consumption ripple and silent.
Troubleshooting steps:
  1. Please make sure that you once you have connected the mains power cable, that you switch the manual power button to 1 from 0 located next to the power input.
  2. Make sure the 4+4 Pin 12V connection is plugged into either the 4-PIN or 8-PIN CPU Power Input on your motherboard, in addition to the main 20+4 Pin Connector. This will be 4-Pin or 8-Pin dependant on your motherboard. Your system will appear not to work without this connected.
  3. Check AC power input. Make sure the cord is firmly seated in the wall socket and in the power supply socket. Try a different cord.
  4. Check DC power connections. Make sure the motherboard and disk drive power connectors are firmly seated and making good contact. Check for loose screws.
  5. Check installed peripherals. Remove all boards and drives and retest the system. If it works, add back in items one at a time until the system fails again. The last item added before the failure returns is likely defective.
    Box Contains
    Power Supply
    Screws
    Features & details
    Efficiency exceed 88% at 220V (Gold 90% designed basis)
    Thermal control technology
    Protection circuitry offer: OVP / OPP / SCP / OCP / UVP / OTP
    100% burn-in under ambient temperature up to 45 degrees
    100% high voltage test under AC 1.5KV 10mA 3 Seconds
    Rate Power : 1536Watt
    Product information GM 1650W
    Brand GameMax
    Product Dimensions 15 x 18 x 8.5 cm; 2.85 Kilograms
    Item model number GM-1650
    Manufacturer Game Max
    Color Black
    Wattage 850 watts
    Are Batteries Included No
    Item Weight 2.85 kg
    Additional Information
    ASIN: B075SK5S5K
    Customer Reviews: 4.4 out of 5 stars 805Reviews
    Best Sellers Rank: 39,664 in Computers & Accessories (See Top 100 in Computers & Accessories)
    321 in Power Supplies
    Date First Available: 19 Sept. 2017
    Warranty & Support
Amazon.com Return Policy: Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.
This deal can be found at hotukdeals via this link: https://ift.tt/3mpvluJ
submitted by SuperHotUKDeals to HotUKGamingDeals [link] [comments]

What I currently use for privacy (after almost 2 years of long investing into it)

First of all, my threat model: I'm just an average person that wants to AVOID the maximum I can to be monitored and tracked by the government and big corps, a lot of people out there REALLY hate me and I've gone through lots of harassment and other stuff, I also plan to take my activism and love for freedom more seriously and to do stuff that could potentially lead me to very high danger or even put my life on the line. That being said, my main focus is on something that is privacy-friendly but also something with decent security (no point having a lot of privacy if a script kiddie can just break into it an boom, everything is gone) anonymity is also desirable but I'm pretty aware that true 100% anonymity is simply not possible and to achieve the maximum you can of it currently you'd have to give up A LOT of stuff in which I don't think I really could. So basically, everything that I said + I don't want to give up some hobbies of mine (as playing games etc)
Here's what I use/have done so far, most of it is based on privacytools.io list and research I've done.
Mobile:
Google Pixel 3a XL running GrapheneOS
Apps: Stock apps (Vanadium, Gallery, Clock, Contacts etc) + F-DROID, NewPipe, OsmAnd+, Joplin, Tutanota, K-9 Mail, Aegis Authenticator, KeePassDX, Syncthing, Signal, Librera PRO, Vinyl, Open Camera and Wireguard.
I also use BlahDNS as my private DNS.
Other smartphone stuff/habits: I use a Supershieldz Anti Spy Tempered Glass Screen Protector on my phone and I also have a Faraday Sleeve from Silent Pocket which my phone is on most of the times (I don't have smartphone addiction and would likely advice you to break free from smartphone addiction if you have it). I NEVER use bluetooth (thank god Pixel 3a have a headphone jack so yeah, no bluetooth earphones here) and always keep my Wi-Fi off if I'm not using it.
Computer:
I have a desktop that I built (specs: Asus B450M Gaming, AMD Ryzen 3 3300X, Radeon RX 580 8GB, 16GB DDR4 2666Mhz, 3TB HDD, 480GB SSD) that is dualbooted with QubesOS and Arch Linux.
Qubes is my main OS that I use as daily driver and for my tasks, I use Arch for gaming.
I've installed linux-hardened and its headers packages on my Arch + further kernel hardening using systctl and boot parameters, AppArmor as my MAC system and bubblewrap for sandboxing programs. I also spoof my MAC address and have restricted root access, I've also protected my GRUB with password (and use encrypted boot) and have enabled Microcode updates and have NTP and IPV6 disabled.
Also on Arch, I use iptables as a firewall denying all incoming traffic, and since it's my gaming PC, I don't game on the OS, instead, I use a KVM/QEMU Windows VM for gaming (search "How I Built The "Poor-Shamed" Computer" video to see what I'm talking about) I also use full disk encryption.
Software/Providers:
E-Mails: I use ProtonMail (Plus Account paid with bitcoin) and Tutanota (free account as they don't accept crypto payment yet, come on Tutanota, I've been waiting for it for 2 years already) since I have plus account on ProtonMail it allows me to use ProtonMail Bridge and use it on Claws Mail (desktop) and K-9 Mail (mobile) as for Tutanota I use both desktop and mobile app.
Some other e-mails habits of mine: I use e-mail aliases (ProtonMail plus account provides you with 5) and each alias is used for different tasks (as one for shopping, one for banking, one for accounts etc) and none of my e-mails have my real name on it or something that could be used to identify me. I also highly avoid using stuff that require e-mail/e-mail verification for usage (e-mail is such a pain in the ass tbh) I also make use of Spamgourmet for stuff like temporary e-mail (best service I found for this doing my research, dunno if it's really the best tho, heard that AnonAddy does kinda the same stuff but dunno, recommendations are welcomed)
Browsers/Search Engine: As mentioned, I use Vanadium (Graphene's stock browser) on mobile as it is the recommended browser by Graphene and the one with the best security for Android, for desktop I use a Hardened Firefox (pretty aware of Firefox's security not being that good, but it's the best browser for PC for me as Ungoogled Chromium is still not there in A LOT of things + inherent problems of Chrome as not being able to disable WebRTC unless you use an extension etc) with ghacks-user.js and uBlock Origin (hard mode), uMatrix (globally blocking first party scripts), HTTPS Everywhere (EASE Mode), Decentraleyes (set the recommended rules for both uBlock Origin and uMatrix) and Temporary Containers as addons. I also use Tor Browser (Safest Mode) on a Whonix VM on Qubes sometimes. DuckDuckGo is my to-go search engine and I use DNS over HTTPS on Firefox (BlahDNS as my provider once again)
browsing habits: I avoid JavaScript the maximum I can, if it's really needed, I just allow the scripts temporarely on uBlock Origin/uMatrix and after I'm done I just disable it. I also generally go with old.reddit.com instead of reddit.com (as JavaScript is not required to browse the old client), nitter.net for checking twitter stuff (although I rarely have something peaking my interest on Twitter) and I use invidious.snopyta.org as youtube front-end (I do however use YouTube sometimes if a video I wanna see can't be played on invidious or if I wanna watch a livestream) and html.duckduckgo.com instead of duckduckgo.com other than avoiding JavaScript most of my browsing habits are just common sense at this point I'd say, I also use privatebin (snopyta's instance) instead of pastebin. I also have multiple firefox profiles for different tasks (personal usage, shopping, banking etc)
VPN: I use Mullvad (guess you can mention it here since it's PTIO's recommended) paid with bitcoin and honestly best service available tbh. I use Mullvad's multihop implementation on Wireguard which I manually set myself as I had the time and patience to learn how.
password manager: KeePassXC on desktop and KeePassDX on my smartphone, my password database for my desktop is stored on a USB flash driver I encrypted with VeraCrypt.
some other software on desktop: LibreOffice (as a Microsoft Office substitute), GIMP (Photshop substitute), Vim (I use it for multiple purposes, mainly coding IDE and as a text editor), VLC (media player), Bisq (bitcoin exchange), Wasabi (bitcoin wallet), OBS (screen recording), Syncthing (file sync), qBitTorrent (torrent client) and Element (federated real-time communication software). I sadly couldn't find a good open-source substitute to Sony Vegas (tested many, but none was in the same level of Vegas imo, KDENLive is okay tho) so I just use it on a VM if I need it (Windows VM solely for the purpose of video editing, not the same one I use for gaming)
Other:
router: I have an Asus RT-AC68U with OpenWRT as its firmware. I also set a VPN on it.
cryptocurrency hardware wallet: I store all of my cryptocurrency (Bitcoin and Monero) on a Ledger Nano S, about 97% of my money is on crypto so a hardware wallet is a must for me.
I have lots of USB flash drivers that I use for Live ISOs and for encrypted backups. I also have a USB Data Blocker from PortaPow that I generally use if I need to charge my cellphone in public or in a hotel while on a trip (rare occasion tbh).
I have a Logitech C920e as webcam and a Blue Yeti microphone in which I never let them plugged, I only plug them if it's necessary and after I'm done I just unplug them.
I also have a Nintendo Switch Lite as a gaming console that I most of the times just use offline, I just connect to the internet if needed for a software update and then just turn the Wi-Fi off from it.
Other Habits/Things I've done:
payments: I simply AVOID using credit card, I try to always pay on cash (I live in a third-world country so thank god most of people here still depend on cash only) physically and online I try my best to either by using cryptocurrency or using gift cards/cash by mail if crypto isn't available. I usually buy crypto on Bisq as I just don't trust any KYC exchange (and neither should you) and since there aren't many people here in my area to do face to face bitcoin trade (and I'm skeptical of face to face tbh), I use the Wasabi Wallet (desktop) to coinjoin bitcoin before buying anything as this allows a bit more of privacy, I also coinjoin on Wasabi before sending my bitcoins to my hardware wallet. I also don't have a high consumerism drive so I'm not constantly wanting to buy everything that I see (which helps a lot on this criteria)
social media/accounts: as noted, aside from Signal and Element (which I don't even use that often) I just don't REALLY use any social media (tried Mastodon for a while but I was honestly felt it kinda desert there and most of its userbase from what I've seen were some people I'd just... rather don't hang with tbh) and, althoug not something necessary is something that I really advise people to as social media is literally a poison to your mind.
I also don't own any streaming service like Netflix/Amazon Prime/Spotify etc, I basically pirate series/movies/songs and that's it.
I've also deleted ALL my old accounts from social media (like Twitter etc) and old e-mails. ALL of my important and main accounts have 2FA enabled and are protected by a strong password (I use KeePass to generate a 35 character lenght password with numbers, capital letters, special symbols etc, each account uses a unique password) I also NEVER use my real name on any account and NEVER post any pictures of myself (I rarely take pictures of stuff if anything)
iot/smart devices: aside from my smartphone, I don't have any IOT/smart device as I honestly see no need for them (and most of them are WAY too expensive on third-world countries)
files: I constatly backup all of my files (each two weeks) on encrypted flash drivers, I also use BleachBit for temporary data cleaning and data/file shredding. I also use Syncthing as a substitute to stuff like Google Drive.
Future plans:
learn to self-host and self-host an e-mail/NextCloud (and maybe even a VPN)
find something like BurneHushed but FOSS (if you know any please let me know)
So, how is it? anything that I should do that I'm probably not doing?
submitted by StunningDistrust to privacytoolsIO [link] [comments]

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submitted by WideAd3731 to u/WideAd3731 [link] [comments]

Online Degree™ in Cryptocurrency & Trading (Blockchain Council)

Crypto colleagues, this Online Degree™ in Cryptocurrency & Trading is an online program with the provision of concise and effective comprehension of Cryptocurrency & trading. Cryptocurrency is a global phenomenon that has been proved as a revolutionary headway in the journey of currency evolution. Skill-based training modules include: Introduction to Blockchain (private vs public), 2) Introduction to Bitcoin (units, purchasing, regulations, mining, block explorer, forks, variations, trading, vocabulary, peer to peer network), 3) Introduction to Cryptocurrency (anatomy, famous cryptocurrencies, pricing, mine cryptocurrencies, ICOs, trading, psychology, tools & platforms, chart analysis, Candlestick charts, market predictions), 4) How to Trade (exchanges, secure wallets, ERC20 tokens, risk & rewards, trend analysis), 5) Online Degree and Trading Exam (100 question exam, 60% score needed to pass, 3 attempts, manual assistance available).
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submitted by lwilson747 to ethtrader [link] [comments]

Beautiful start and the tedious grind

So Ive been playing the game for a little over a month now. My initial impression was, "finally the gacha game Ive been looking for." It is actually a game instead of a character manager with auto everything. The story has been great and it has been fun exploring new areas. I completed part 1 and Im now working on Ogre wars 1. However, as great as the game has been so far, there is one thing that Im struggling to do, the dungeon grind. My characters are good enough that I can complete the dungeons, but not good enough that I can just auto attack my way through everything. So Im literally repeating the same abilities in the same order, over and over and over and over. Im starting to feel like Im manually mining bitcoin for Wright Flyer Studios and GREE. It's not challenging, and it is not fun. Im honestly at the point where I cant use my dungeon keys everyday because I cannot bare going back into the same %#@^@ dungeons and doing the same key presses over and over and over. For example I lucked into Myunfa (game over easy mode) as my first 5*. So my combat is switch to Myunfa, cast all my earth spells, listen to Myunfa say the same thing she says every damn time I switch to her, watch the banner tell me the earth zone is active, then finally put a gun in my mouth cause I have to watch this 30 times every dungeon. When Im playing through the story content there is breaks and pauses so I can forget the combat grind, but in dungeons its tea kettle comments and pain. Anyway, Im starting to find out that this is pretty much what the game is if I want to continue to improve my characters.
So my first question, am I missing something? Is there a way to achieve the grind materials without running the same dungeons over and over?
Also is there some way I can get Tsubura gems without running VH dungeons over and over? At least with Tsubura gems I can make some character improvements over time. Like for example it would be absolutely amazing if I could trade in my dungeon keys for Tsubura gems. When I first saw the Tsubura gem merchant, my first thought was thank god, I can trade my keys for gems and not have to run dungeons!! Here take my keys and give me 5 gems a pop, anything to skip running dungeons all night. But no, its the other way around!!! I can only trade gems for more keys!! We are mining bitcoin for this company, Im almost positive. Anyway, jokes aside, that was my qol idea. Trade keys for gems.
Any input on how I can streamline this process would be great. I was looking through the subreddit, but I cant find anything that speeds up combat other than the repeat button. Appreciate any tips or tricks people may have.
*Edit 9/3/2020*
So after reading a lot of the responses, a common response is, focus on something else (netflix, podcast, pron, etc.). A completely valid response, and a good idea if you want to grind (especially since there does not appear to be any other method and all you can do is improve your party and therefore your clear speed). And this response (focus on something else) seems to also come from people who genuinely enjoy the grind and the game as well. But I can't help but point out that I think this is also strong criticism towards the dungeon grind end game. Given how long this game has been out, I am a bit surprised that the developers haven't come up with some new ideas that maybe preserve some of the time commitment but also make the process fun. Like I said above, Im new to this game, and it did not take me long to experience the tedium. Anyway, I appreciate the ideas posted below, and for now it looks like I will just have to find a way to make the grind process faster through better characters and combinations of characters. Cause I can deal with a couple cups a tea a day, but by god I cant do 30 an hour. #Myunfawillwaterboardyouwithtea
submitted by Trepan_Nation to AnotherEdenGlobal [link] [comments]

My personal experience with Innosilicon A10 Pro (6G) 500Mh ASIC ethash miner

EDIT : This is about the 5G version, not the 6G.
Hello,
Since there is not much consumers tests online about the Innosilicon A10 (Ethmaster) Pro (5G) at 500Mh, I decided to share my personal experience through an "anonymous" account.
I bought it around April 2020, arrived in May but for personal reasons I was only able to turn it on this summer :(
The A10 costs me 3242 € + 70 € power supply (Innosilicon 1400W Power Supply) + shipping. I will not reveal where I bought it because this is not an ad, but it was through an european ASIC miner reseller.
I know Ethereum 2.0 is coming and I'm aware this is a gamble. I would not advise you to buy it now, especially knowing Eth 2.0 is really coming now, DeFi is pushing at the gates and I heard rumors there is a 750Mh version coming up.
So, it is my first ASIC miner, I did some ZEC mining with a 4 x 1080Ti mining rig two years go.
EDIT : EthToDoge pointed out in the comments that the A10 isn't an ASIC technically speaking
The A10 is basically a box crammed full of laptop GPUs and some custom firmware and made to look like the Bitcoin ASICS. [Check out the comments for more information]
The A10 mining chains reboots itself every 9 hours on average. When the A10 reboots, it goes into an autotuning mode which can take up to 2 hours, but usually around 1h. When in autotuning, it starts at 0Mh and goes to it's full speed after the autotuning, not mining much during this phase because the autotuning mode causes a lot of invalid shares, up to 20% and going down to 3% when tuning is completed.
The chains temperature are around 63°C, I don't know if this is the reason of the reboot. I'll try later on to get a better air flow. I fixed the temperature issue I had by placing in a better ventilated location, temperature is now around 53°C but that didn't fixed the reboot issue.
miner web interface, you can see the hashrate drop due to the random reboot
Performance settings
I tried balanced and factory modes, and I didn't saw much differences in the reported speed. In a near future I'll have a try with the performance mode but I will monitor the power consumption when trying since the A10 warns me to pay attention to that when I want to enable performance mode in the web interface. The performance mode consumes around 10% to 15% more electricity than the factory mode, without noticing any difference in the hashrate or stability. I didn't had proper tools to measure the power consumption, my A10 was plugged in an UPS and it's load went from 43% usage to 55% so I'm assuming the difference is the extra power consumption.
Changing performance settings causes the miner to go into autotuning.
Autoupdate
The firmware check is working, but I didn't manage to use the autoupdate. I had no problem to manually download the firmware and upload it, so not really a problem.
My device:
Type A10L
Controller Version g1
Build Date 15th of July 2020 06:13 AM
Platform Version a10l_20200715_061347

EDIT : I upgraded to the new firmware a10l_20200901_053652 but that didn't fixed the reboot issue.

Hashrate
I did some monitoring of the A10, here is how it looks

This is in factory mode on Ethermine (updated on Sept 24th) :
Average hashrate of 455Mh/s while running on ethermine
Hashrate of all chains + total hashrate

This is in balanced mode on Ethermine (updated on Sept 25th) :
Average hashrate of 449Mh/s while running on ethermine
Hashrate of all chains + total hashrate

This is in factory mode on Nanopool (updated on Sept 29th) :
Average hashrate of 502Mh/s while running on Nanopool (note that the double reboot in the middle of the graphic was caused by the change of ETH epoch, otherwise the average hashrate is around 512Mh/s.
Hashrate of all chains + total hashrate
As sweeperAA pointed out, the mining pool really matters.

Quick links :
https://whattomine.com/miners/122-innosilicon-a10-pro-500mh
submitted by xananymous to EtherMining [link] [comments]

09-28 23:05 - 'Online Degree™ in Cryptocurrency & Trading (Blockchain Council)' (self.Bitcoin) by /u/lwilson747 removed from /r/Bitcoin within 0-7min

'''
Crypto colleagues, this Online Degree™ in Cryptocurrency & Trading is an online program with the provision of concise and effective comprehension of Cryptocurrency & trading. Cryptocurrency is a global phenomenon that has been proved as a revolutionary headway in the journey of currency evolution. Skill-based training modules include: Introduction to Blockchain (private vs public), 2) Introduction to Bitcoin (units, purchasing, regulations, mining, block explorer, forks, variations, trading, vocabulary, peer to peer network), 3) Introduction to Cryptocurrency (anatomy, famous cryptocurrencies, pricing, mine cryptocurrencies, ICOs, trading, psychology, tools & platforms, chart analysis, Candlestick charts, market predictions), 4) How to Trade (exchanges, secure wallets, ERC20 tokens, risk & rewards, trend analysis), 5) Online Degree and Trading Exam (100 question exam, 60% score needed to pass, 3 attempts, manual assistance available).
Enroll today at: [link]1
Much career success, Lawrence E. Wilson - Cryptocurrency. Blockchain and FinTech Academy (CBF)
'''
Online Degree™ in Cryptocurrency & Trading (Blockchain Council)
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unreddit undelete link
Author: lwilson747
1: fxo*c**9mPx
Unknown links are censored to prevent spreading illicit content.
submitted by removalbot to removalbot [link] [comments]

List of current UI/UX issues & possible QoL improvements (Megathread?)

As some of you know, I only make stupidly long posts and also like to humbly brag about being a software engineer with fairly decent experience in QA, automated testing and testing in general (6+ years a C# dev).
This is my personal list of things that either make no sense, are unpleasant, incoherent, or could be improved.
Please feel free to add to the list, I will come back and edit every day.
Numbers are also here to help you quote & provide your own criticism.
Note that is is done with the following optimization mindset, in order of importance :
As you can see I worked under the assumption that the average player wants to spend more time in raid rather than in inventory ; obviously this falls apart if that is not the case. To do that I try to improve time spent on searching / arranging things without creating unecessary automation or remove important/immersive aspects of the game, even in inventory. I also try to improve time spent clicking through various windows as currently a lot of them are done to be fast & easy to for the devs, not for the players. I want to emphasize that I'm okay with that. I know the importance of having sub-optimal navigation to help you find out what your better navigation is. I also know a complete rework is not always possible, that is why I made my list without changing too much of the menus as well as keeping the vibe/current feel of those menus.
Keywords like should & could are used as intended ; since this is not a professional report I'm emphasizing here, the meaning of the word is important. Should means it is adding an improvement over an existing issue, could means it's a possible improvement but requires further investigation. Would means investigation was done and is just one possible outcome usually relevant within the context.
Please note that most of us now are very used to the current UI/UX, which will generate two reactions:
- "It's fine as it is because I can do it quite fast."
- "I don't want it to change again, I'm used to it now."
I cannot emphasize how unefficient it is to let those emotions get the best of you. UI/UX is the study of common sense & ease of use in an interface. You should never have to get used to anything, it should be fluid and intuitive. If you think you're fast now, that means it's possible to be slow. This is extremely bad for a UI/UX standpoint. Everybody should be able to navigate/understand the menus just as fast the 1st time than the 100th time (ideally). Keep this in mind when you read everything down here, because some stuff you probably won't like at first glance, but you will get used to it very fast, and you will gain a lot of time in the future, as well as new players.

1. Autostacking of items

Money & Ammo. When a stackable item or stack of items enter an inventory, it should autostack itself to an available non-full stack, then fill other available stacks until there aren't any. At that point, the item should just go at the top of the inventory as it is doing now. Autostacking should *not* browse for sublayers of inventory.
Items drag & dropped on an inventory slot should not be auto-stacked either (drag & drop overrides autostacking).
It would autostack when control clicking, or using "Receive all" from another inventory, or when dropping into a sublayer without selecting a specific slot.
Autostacking should only stack FiR items together and non FiR items together.

Example 1

Drag & Dropping would not stack in the same inventory layer. Drag & dropping would override auto stacking.

Dragging over the money case would auto stack in the inventory of the case.

Using Ammo as example here. If you drag & drop directly on a slot (even in an inventory sublayer), you would override autostacking.

2. Highlighting of full stacks

Stacks at full capacity could be highlighted for easier inventory management.
Many aspects could be used to highlight (either the name of the item, or the value, or the background of the cell)

Apology for the poor photoshop skills

This could be a highlighting method

This could be a highlighting method

3. Consistent item order in hideout craft list

Currently when in the workbench (and I think others? now I doubt), the list of craftable items appears to be random. The order should always be the same for consistency. Does not provide meaningful gameplay experience to have to "look for the recipe" every time.

4. Collecting crafts

Hideout stations could display the finished craft on top for easy collection of craft, or there could be a "Get Items" or "Receive All" elsewhere to avoid unecessary scrolling. This is uncessary if ongoing crafts are moved on top of the list, or if the list is autoscrolled to the ongoing craft.
"Collect All" on station level is not the best idea. If you go in a station, it's probably better that you know what you're collecting. I suggest moving the relevant craft on top or auto scrolling and not adding "receive all" on station level, although it would be a good help.
This should be investigated.

Receive All or Get Items could be moved or added at the top or bottom of the window.

5. "Receive All" could exist at hideout level

The same way we "receive all" from a trader, it would be nice to "Receive all" from the hideout. Either in the form of a trader (in which we can receive all / pick manually from) or by instantly putting it in inventory. If there is enough space it just works. If there isn't, it displays an error like it already does.
This is not mutually exclusive with the previous suggestion.

6. Display crafts readyness/collection

6.1 Hideout
The current behaviour is partially coherent. You get notified when an item is sold, and you get notified when a craft is finished.
You have a display notification "Attachment" style when a trader has something for you, and you should get a display notification "attachment" style when the hideout has something for you.
Ideally, there should also be such notifications for currently unused station


Receive all on the right, Nutrition unit has finished crafting and Lavatory is currently NOT crafting

6.2 Traders
There should be a way of knowing if something is waiting in trader inventory on a global level (quest rewards, money, insurance, unsold market items returns), like the nofication. The "new item" notification could be always visible as long as items are in the trader inventories, compared to now where it disappears as soon as you either click it or visit the messenger. In this hypothesis, there could be a change of color in the notification to show that there are still item waiting including some that haven't been seen yet (to still fulfill the current role of the notification)

7. CTA's

Note : CTA = Call to Action, it's the button your user will press 99.3% of the time. Example, in the launcher, it's the "Start Game". Clearly visible, easily accessible, highlighted, much bigger, and at a very common CTA spot. That one is great.
Some others are not.
7.1. "Receive All" should not be displayed when there is nothing to receive.
7.2 "Get" in single transaction messages from Ragman could be removed. There is no reason to take single items from the window when you can receive it all at once.
7.3 A "group collect" Receive all action could be added when you click on the attachment notification, or as an extra action next to the notification (just like shown on the Hideout in figure 6.0) that would specifically collect all. it would loop through all conversations and collect all and dump at the top of stash, either until its finished or there is not enough room, in which case it displays an error. It could also work like the scav case and not pick up anything until you have room, and in that case you would go in the window manually and/or make room (like we do now).
7.3 The "Receive all" is at the bottom when most CTAs in the game is at the top (dealer tabs, market tabs, character sheet tabs, settings...). Save in the settings is at the bottom too. It is incoherent. It would make more sense to have all CTAs at the bottom and options/tabs/menus at the top.
7.4 The "DEAL" button in trader view is much smaller and less visible than the "Fill Item" checkbox. The CTA should be getting more attention than a setting. New players pretty much *never* see it first and look around the "Fill Item" with eyes & mouse.

DEAL should be at the bottom in the current \"Fill Item\" box. Fill Items should be removed entirely.
7.5 Quests could be automatically accepted (no need for CTA). I don't see a reason why someone would not accept a quest. The only reason we're Accepting them now is to let the user know he has a new quest. There are other means of notifying players of new stuff : usually notifications. If not, that button should at least be more visible/highlighted. Every new player ( 100%! ) I coach does not see it at first and never looks at the right spot the first time.
7.6 "Insure All" is the most commonly used button in the insurance screen and could be emphasized more.

Example 7.5

8. Remove "Fill Items"

The Fill Items to automatically fill the trader's requirements should be removed and set as the default behaviour. There is no need to fill items manually nor tell the game to do so.

9. Expire / Delete pending requests

Friend requests should be cancellable and could expire. Requests should not be stuck until another user acts on them. Right clicking the request could display a "Cancel" or "Delete" request button.
Ideally, the cell should include a CTA on the right, as the only action I would ever do in a cell in this context is cancel.
Opening a submenu with only 1 item means you should not be opening a submenu, but displaying a button where the user right clicked instead.

I can only re-send a friend request to someone that already denied me. This is incoherent.

10. Market Rows

From my somewhat small sample (about 60 players), nobody uses the expand button on the top right of a cell (see below). I think everybody uses the right click on item instead.

An expanded cell with context menu opened, and a collapsed cell
The extra information available on the right is the exact same as a right click, but is hidden behind a left click. This is incoherent.
The only difference is the profile picture that I only get from expanding, but currently we all have the same one. This would need to be investigated.

This could be an improvement, displaying the CTA's immediately (although BUY is definitely way too small). Notice profile picture on the left
10.1 The expandable cell feature should be removed altogether, as the other options are available on right click.
10.2 The whole row should provide the same context menu (right click).
10.3 The "Send friend request" could be included in the row's context menu, or could be removed entirely, as right now most requests are missclicks. Adding the Send Friend Request at the bottom of the context menu on the row would reduce the amount of missclicks.
10.4 Left clicking should not open the context menu. This is mostly the reason behind missclick friend requests, people double clicking slightly off the item icon sending a friend request by mistake. Now I have 4 just because I was trying to make a screenshot. F's in the chat. This would be resolved with 10.2 and 10.3.
10.5 Barter items have a "Barter" icon that is redundant, the first and second column are completely irrelevant to the player.

Example 10.5

11. Filtering search

11.1 "Filter by Item" should not filter the browse list. If you're writing a valid keyword in the search field it should display the correct suggestions. Filtering content is good, filtering suggestions is incoherent.
11.2 Filters could be cleared as soon as you type text in the search field. This would resolve 11.1

Example 11
11.3 "My Offers" could not be affected by filters, or could reset filters. It is more trouble to remove the filter manually every time rather than browsing through the offer list. Currently we never have more than ~10 offers at the same time for most players, which is okay to display without filter.
11.4 Filters should not overlap with other UI elements, they could be resized to fit or the expandable filter list could include more elements so the visible ones fit.

Example 11.4
11.5 The Remember Selected Filter / Reset Filter is unclear. Looks great, feels weird, and should be investigated to be more useful.

12. Context Menu in player lobby


The current lobby with context menu open

All players in this list are looking for a group, there is no need to write a status "Looking for group", it's redundant. The exception is friends, which 99.633...% of the time is the group i'm about to play with. Those are displayed on top.
The only action we do on the list on this screen is the "Invite to group" context menu action. It's a CTA and should not be hidden in a context menu, especially if the context menu only has one option. Since recently it has two, but we'll come to that in a minute.
12.1 The invite CTA should be on the player cell itself.
12.2 The report action should not be the default one from the context menu
12.3 Since there could be only one item in the context menu according to 12.1, the report action could be on the cell as well.

A low quality suggestion for 12.x

13. Trader Buy/Sell

Trader screen needs to be reworked. I won't provide a solution that doesn't completely change how everything looks/works as I stated at the start of the post. That being said this should be improved.


Example 13.1
13.1 Buying UI should be reworked.
When buying, the price of the item is already displayed on the item itself in the trader view.
The price is also displayed a second time in the tooltip of the item if you mouse-over.
The price is also displayed a third time in the barter area on the right of the image (middle of the screen in game). This is redundant. I understand the item on the right is the physical item "Roubles" in a stack that is paid, like a barter, but it does not need to be displayed a third time.
13.2 Quantity limit (red box in the image) could be shown in the tooltip ; most of the time people will hit "DEAL" until they get an error insted of actually reading the red box.
13.3 The red box looks like an error even when at 0/x, this is not intuitive. Limited items can be listed in different ways that are not so invasive. We could add "out of X" at the right side of the quantity box.
13.4 Barter item prices (if we assume 13.1) would need to also displayed differently. This needs to be investigated
13.5 Selling UI should be reworked

Example 13.5

Currently selling an item still displays the full available items to BUY, this is incoherent. Especially from the "Sell" tab. The whole left side of the screen is wasted, and cannot be used.
13.6 Items on the left are not greyed out (even though I can't buy them), but items on the right are greyed out (because I can't sell them). This is incoherent.
13.7 Trader sell space should be infinite
13.8 Buy/Sell could be done in a single tab if the whole screen is reworked. There are different levels to this. An easy one I could think :
"Trade" Tab instead of "Buy". Displays the same as the current "BUY" tab. If you ctrl+click an item from your stash, it instantly sells without confirmation. The second tab would be a "Buyback" where you can see what you sold in the current trade session. If you leave the screen your buyback is reset and items cannot be recovered. Another way would be to keep buybacks for the last X items. You would need to pay what you received to get back. The item would not lose it's FiR status. This preleminary and simplistic rework has issues, notably that you have to know to right click to sell. One way to fix that would be to make right click sell to trader instead of control click, but that would definitely make missclicks the first few days (and buyback would be mandatory).
This could be investigated.
13.9 Currency exchange rates should be easily available in relevant areas (Peacekeeper, Therapist and flea market) for all currencies (Rouble, Euro, Dollar, Bitcoin)

14. Boxing

Items should be boxables and moved around. At least to be dropped in boxes, ideally to be moved around freely.
There is a limit of 20 images. 🤷‍♂
Example 14

15. Quest inventory

If you loot too many quest items in a raid, you can end up not being able to loot it. I assume this is by design and it is why you have limited quest item space.
The quest inventory could be infinite if it's not by design to be limited.
The quest inventory should be manageable. In my case i had a 1 slot item blocking me from taking the suitcase, I should have been allowed to move that 1 slot item to the top or to the right of my inventory, clearing a whole line and letting me take the case.
Quest items could be stored in backpack (and resized) ; since you lose them on death it's not relevant to the players looting you or you dying and that issue would be gone. Storing it in your stash would also prevent you from losing it by going in raid with it by mistake. Taking it in raid or giving it to trader would be a volontary action. It also makes much more sense that way as other quest items (that are also usable items) work that way.


Alright this ended up taking more time than my lunchbreak, and there is *much* more to write but for the time being I'll leave it at that and come tomorrow to add your suggestions or mine. See you in 24 hours.
submitted by SixOneZil to EscapefromTarkov [link] [comments]

Ethereum centralization concerns

Apologies if this has been addressed elsewhere, or if the information I'm responding to here is out of date.
tldr: Are Ethereum (full, validating) nodes incentivized to vote no on gas limit increases that would lead to centralization?
Context:
I just read this old post, its follow up post, and this response post all discussing whether or not Ethereum will trend towards centralization over time. As far as I can tell, all of that long discussion really boils down to disagreements about this paragraph from Gustav's post:

As miners are incentivized to act in ways that maximize the value of the tokens they receive in each mined block, they are unlikely to vote for a blocksize increase that would break the network. If the author trusts Bitcoin miners to act in ways that maximize the value of their bitcoins (such as not censoring transactions, generally prioritizing txs by their fee and otherwise act in ways that are beneficial for the network) the author should trust Ethereum miners to only vote for block sizes that can be handled by reasonable hardware, as the decentralized verification done by full nodes underpins the security of the network.
StopAndDecrypt replies:
The network doesn’t break because validators drop off and peers are lost. The network functions with two datacenters. What breaks is decentralization. The connected nodes have no incentive to care about other less-connected nodes validation abilities.
[...]
Vitalik even agreed that [the number of full validating nodes] would shrink over time if the gas limits kept going up, and there’s nothing stopping that from happening. Right now miners are being altruistic, but what happens when mining doesn’t even exist? What happens when it’s just staking and the people doing it don’t care about other people’s blocks getting orphaned? Why would they keep the gas limit down? Remember they can manually adjust this, so why would they intentionally keep it low if they’re hyper-connected to each other and fully capable of processing that data? What happens when they start compounding their staking earnings, setting up more nodes, and gain more control of the network?
Summary:
As block sizes increase, the number of full validating nodes decreases. Bitcoin solves this by simply saying block sizes never go up, period, and if that limits the amount of TPS the L1 layer can handle, so be it; just scale on L2. Ethereum's answer according to Vitalik is the gas price limits (and indirectly through that block size limits) that each individual minevalidator enforces. Implicit in this I believe is that sooner or later the block size limit has to stop growing (approximating the bitcoin approach), at least until hardware costs drop enough. This relies on an incentive mechanism in place to prevent validators from constantly increasing gas limits per block and letting the network trend towards centralization. Without such an incentive mechanism, I'd think each individual validator wouldn't necessarily care if increasing block sizes caused other validators to drop off the network, so long as they are able to keep up, which does indeed seem like it would eventually lead to a small number of powerful validators controlling the base layer.
Core issue and my actual question:
So I think the real question at the core of this disagreement is: in what cases would (full, validating) nodes reject a block due to it being too big (using too much gas)? What are the incentive mechanisms that keep individual validators aligned with the goal of keeping the core validator pool decentralized?
Please note I'm only talking about the centralization of fully validating nodes with the power to reject new blocks, light clients don't help, and sharding helps by a constant factor in the short term but doesn't address the fundamental long term trends. PoW vs PoS is orthogonal and doesn't really affect the issues being discussed here .
Thanks!
submitted by stbrody to ethereum [link] [comments]

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