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How Is Ethereum Difficulty Calculated

Advanced Ethereum Mining Calculator | 99 Bitcoins

Advanced Ethereum Mining Calculator | 99 Bitcoins

Ethereum mining calculator powered by Instructions on how to use the EthereumMining Calculator: Enter the hash rate of the Ethereumminer youre planning to use Note: If some values in the Ethereummining calculator dont seem right (exchange rate, block reward, etc.) you can adjust them manually. However normally they are all up to date. Earningsare shown in USD based on the current exchange rate, the exchange rate can (and probably will) change from time to time. Profitis based on current difficulty to mine Ether. Difficulty can (and probably will) change. From past experience it usually goes up as time goes by. EarningsIS NOT profit. You still have to take into account the cost of your mining hardware and the electricity to run it (and cool it down if needed). Continue reading >>

Eth Profitability Calculator That Predicts Difficulty Growth ? : Ethermining

Eth Profitability Calculator That Predicts Difficulty Growth ? : Ethermining

How to take into account the difficulty growth when calculating the profitability for the next six month ?I started to mine 2 months ago and I was making 5ETH/day. No, only around 3.3 max despite the fact that I have improved my setting. I admit that I didn't anticipate such an exponential raise in the difficulty. If it continues, I will produce 1.5 ETH/day which is the threshold where I will consider halting the mining rigs. What is your feeling/prediction about difficulty growth ? Is it likely to stabilize at a predictable time ? My goal is to accumulate the maximum of Ether before the switch to PoS. Should I switch to another currency (an alt coin based on ETH) and converts immediately to ETH ? Continue reading >>

Ethereum Mining Profit Calculator

Ethereum Mining Profit Calculator

Projections incorporate difficulty growth. Update themining and market parameters below to recalculate all tables andcharts. Bitcoin version . Also, don't miss the interactive charts below. ETHASH Contracts ($2.20 per 100 KH/s per year) Ethereum is a blockchain appplatform and cryptographic currency.This calculator estimates profits from Ethereum mining by forecastingcosts and future market conditions.See the sections below for more details on the methodology.If this calculator helped you earn money, or avoid losing money,then consider making a donation ! All calculations assume that mining begins immediately at the given difficulty.The default starting difficulty is the current network difficulty obtained from etherscan.io .Difficulty is then assumed to increase daily at a rate implied by the specified biweekly rate.For example, the default biweekly growth rate is 6.18%, which was approximately the average biweekly increase starting after the block reward adjustment in October 2017 and ending in January 2018, and this in turn implies a daily increase of 0.429%. The static reward for solving blocks is fixed over time at the given value (which is 3 ETH in January 2018).The USD exchange rate is held fixed, so the assumption is that all ETH revenues are held and exchanged for USD at the end of the time horizon at the given ETH/USD exchange rate.The default exchange rate is the daily volume-weighted average exchange rate obtained from Bitstamp .The default starting difficulty and exchange rate are updated periodically throughout the day.Transaction fees and uncle rewards are not included in the calculations. The default hashrate, cost, and power consumption are based on a GPU mining rig with 4x Radeon RX 470 8GB cards (100 MH/s, $1,680, 560 W).The cost of electricity is ta Continue reading >>

Ether - How Is The Mining Difficulty Calculated On Ethereum? - Ethereum Stack Exchange

Ether - How Is The Mining Difficulty Calculated On Ethereum? - Ethereum Stack Exchange

How is the Mining Difficulty calculated on Ethereum? Having read various pieces of documentation, it's still not completely clear to me what dictates the difficulty rise, and how Ethereum difficulty levels differ to Bitcoin. In the past week difficulty has jumped from around 11 to over 17, whilst GH/s has fluctuated between 800.00 - 1400.00 but with no clear correlation between the two. Has the "difficulty bomb" now been introduced? And if yes, is there any way for approximating or calculating how much difficulty will likely rise by in the next 6-12 months? Related: If Serenity / PoS is unlikely to be introduced until early next year, has there been any suggestion from the dev team that the effects of this "difficulty bomb" will be reduced in either the homestead or metropolis releases? From : Mining difficulty is calculated from the time difference between blocks. The exact formula will change in Homestead. The symbol // in the following denotes integer division. block_diff = parent_diff + parent_diff // 2048 * (1 if block_timestamp - parent_timestamp < 13 else -1) + int(2**((block.number // 100000) - 2)) block_diff = parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99) + int(2**((block.number // 100000) - 2)) The problem with the frontier formula and the reason for the change was that the frontier version doesn't take into account how far off from 13 seconds the block time was. A block mined 1 second after the previous one has the same effect on the difficulty as one mined after 12 seconds. This causes block difficulty to adjust to a median block time rather than a mean. Again, check out the EIP for more details. Apologies that I lack the the knowledge but how exactly would I use this to calculate? Seeing the difference "< 13 e Continue reading >>

Ethereum Mining Calculator And Profit Calculator

Ethereum Mining Calculator And Profit Calculator

Ethereum Mining Calculator and Profit Calculator Warning: The coin daemon or block explorer is offline which may cause out dated estimated expected cryptocurrency earnings to be displayed. Days to generate one block mining solo: 177.94 Day(s) (can vary greatly depending on your luck) Days to generate one BTC: 1327.20 Day(s) (can vary greatly depending on the current exchange rates) Days to break even: N/A (can vary greatly depending on the current exchange rates) Estimated Expected Cryptocurrency Earnings The estimated expected cryptocurrency earnings are based on a statistical calculation using the values entered and do not account for difficulty and exchange rate fluctuations, stale/reject/orphan rates, and a pool's efficiency. If you are mining using a pool, the estimated expected cryptocurrency earnings can vary greatly depending on the pool's efficiency, stale/reject/orphan rate, and fees. If you are mining solo, the estimated expected cryptocurrency earnings can vary greatly depending on your luck and stale/reject/orphan rate. Continue reading >>

Difficulty Bomb In Ethereum

Difficulty Bomb In Ethereum

There is a difficulty bomb that is built into the Ethereum protocol. It is meant to facilitate the adjustment into a Proof-of-stake system by forcing mining to be absolutely unprofitable/unfeasible. The difficulty adjustment formula of the difficulty bomb is as follows: Now, you might ask, what does the difficulty got to do with me (the average users)? The answer is that the block time depends on the difficulty AND the hash rate. The block time is given by dividing the difficulty with the hash rate. Hence, the higher the hash rate, the lower the block time. From the difficulty bomb formula, you can see that it is an exponential increasing function (of the block number). An exponential increasing function looks like this: The difficulty will increase at an increasing rate as the block number increase. There will be a time when Ethereum will just grind to a halt as the block time becomes insanely long. We will calculate (at the end of this post) the approximate time when this doomsday (or so-called ice-age) happen. Difficulty Adjustment Due To Variance In Hash Rate In addition to the difficulty bomb, there is another difficult adjustment factor. This difficulty adjustment factor is to allow the average block time to remain relatively stable even if the hash rate are constantly changing (due to miners coming and going). The level of difficulty adjustment is based on the block time as follows: < 10 seconds: the difficulty is adjusted upwards by parent_diff // 2048 * 1 10 to 19 seconds: the difficulty is left unchanged >= 20 seconds: the difficulty is adjusted downwards proportional to the block time, from parent_diff // 2048 * -1 to a max downward adjustment of parent_diff // 2048 * -99 This adjustment allows the average block time of Ethereum to be fixed in the range of 1 Continue reading >>

Ethereum's Difficulty Bomb: All Smoke, No Fire? - Coindesk

Ethereum's Difficulty Bomb: All Smoke, No Fire? - Coindesk

Ethereum's Difficulty Bomb: All Smoke, No Fire? Sometimeinthe future(we can't be certain when), ethereum will likely switch from its proof-of-work consensus algorithm to Casper, a proof-of-stake system its developers are now in the throes of completing. While this may sound like a slight change to those who are unfamiliar, altering this one parameter will have an outsized effect.When the protocol change happens, the ethereum blockchain will hard fork, meaning that, for a short period of time, two networks the old and new will exist simultaneously. At that point, the goal for ethereum will be to persuade the majority of its users to upgrade to thenew proof-of-stake-powered blockchain. Otherwise, ethereum risks winding up creating another blockchain, as it did when a past technical update created ethereum classic . On the surface of things, getting the companies that use the ethereum network to switch should not be a problem. After all, proof of stake promises to be faster and more scalable, and to consume far less energy than proof of work. To most of the ethereum community, Casper sounds like a great deal. Unless, of course, you are a miner. That's because proof of stake doesnt rely on mining. Rather, it gives the job of creating the next block to those who own tokens on a blockchain a move that essentially puts miners out of a job . But, two things could go wrong with ethereum's big switch. One would be if Casper does not work as planned. In this case, ethereum could simply delay the switchover. The second is if miners continue mining the old chain. But ethereum has always had a plan for that something called the 'difficulty bomb'. Baked into ethereum shortly after the network launched, the difficulty bomb was created to make mining a block increasingly difficult over Continue reading >>

Mining Ethereum/wiki Wiki Github

Mining Ethereum/wiki Wiki Github

The word mining originates in the context of the gold analogy for crypto currencies. Gold or precious metals are scarce, so are digital tokens, and the only way to increase the total volume is through mining it. This is appropriate to the extent that in Ethereum too, the only mode of issuance post launch is via the mining. Unlike these examples however, mining is also the way to secure the network by creating, verifying, publishing and propagating blocks in the blockchain. Mining Ether = Securing the network = verify computation Ethereum Frontier like all blockchain technologies uses an incentive-driven model of security. Consensus is based on choosing the block with the highest total difficulty.Miners produce blocks which the others check for validity. Among other well-formedness criteria, a block is only valid if it contains proof of work (PoW) of a given difficulty.Note that in Ethereum 1.1, this is likely going to be replaced by a proof of stake model. The proof of work algorithm used is called Ethash (a modified version of Dagger-Hashimoto ) involves finding a nonce input to the algorithm so that the result is below a certain threshold depending on the difficulty. The point in PoW algorithms is that there is no better strategy to find such a nonce than enumerating the possibilities while verification of a solution is trivial and cheap. If outputs have a uniform distribution, then we can guarantee that on average the time needed to find a nonce depends on the difficulty threshold, making it possible to control the time of finding a new block just by manipulating difficulty. The difficulty dynamically adjusts so that on average one block is produced by the entire network every 12 seconds (ie., 12 s block time). This heartbeat basically punctuates the synchronisation Continue reading >>

How Is The Mining Difficulty Calculated On Ethereum?

How Is The Mining Difficulty Calculated On Ethereum?

Having read various pieces of documentation, it's still not completely clear to me what dictates the difficulty rise, and how Ethereum difficulty levels differ to Bitcoin. In the past week difficulty has jumped from around 11 to over 17, whilst GH/s has fluctuated between 800.00 - 1400.00 but with no clear correlation between the two. Has the "difficulty bomb" now been introduced? And if yes, is there any way for approximating or calculating how much difficulty will likely rise by in the next 6-12 months? Related: If Serenity / PoS is unlikely to be introduced until early next year, has there been any suggestion from the dev team that the effects of this "difficulty bomb" will be reduced in either the homestead or metropolis releases? From : Mining difficulty is calculated from the time difference between blocks. The exact formula will change in Homestead. The symbol // in the following denotes integer division. block_diff = parent_diff + parent_diff // 2048 * (1 if block_timestamp - parent_timestamp < 13 else -1) + int(2**((block.number // 100000) - 2)) block_diff = parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99) + int(2**((block.number // 100000) - 2)) The problem with the frontier formula and the reason for the change was that the frontier version doesn't take into account how far off from 13 seconds the block time was. A block mined 1 second after the previous one has the same effect on the difficulty as one mined after 12 seconds. This causes block difficulty to adjust to a median block time rather than a mean. Again, check out the EIP for more details. Apologies that I lack the the knowledge but how exactly would I use this to calculate? Seeing the difference "< 13 else -1" vs "// 10, -99" it's not clear to me what the Continue reading >>

The Mystery Behind Blocktime

The Mystery Behind Blocktime

Identity Evangelist, Author, Blogger, Developer, Blockchain Enthusiast, Senior Director of Security Architecture at WSO2, Apache WS Committer, Axis PMC Member Block time defines the time it takes to mine a block. Both in bitcoin blockchain and ethereum blockchain, there is an expected block time, and an average block time. In bitcoin, the expected block time is 10 minutes, while in ethereum it is between 10 to 19 seconds. Both bitcoin and ethereum, at the time of this writing use a proof of work based distributed consensus algorithm (ethereum is planned to move to a proof of stake based algorithm with its serenity release). The expected block time is set at a constant value to make sure, miners cannot impact the security of the network by adding more computational power. The average block time of the network is evaluated after n number of blocks, and if it is great than the expected block time, then the difficulty level of the proof of work algorithm will be reduced, and if it is less than the expected block time then the difficulty level will be increased. Thats the core design principle behind block time, but you will see as we proceed, how bitcoin and ethereum differentiate themselves from each other. The level of difficulty varies with the time, as per the following formula. It tries to evaluate the speed of the mining network and find out how much it deviates from the expected level. The expectation is to mine a block in 10 minutes. For example, if the average speed of mining the last 2016 blocks is 8 minutes then the new difficulty factor will be greater than one, so the current difficulty level will be increased. In case the average is above 10 minutes, then the factor will be less than 1 and the difficulty level will be decreased for the next 2016 blocks. The d Continue reading >>

Ethereum Mining Calculator

Ethereum Mining Calculator

Enter hashrate data for responsive chart! Enter hashrate data for responsive chart! Estimated Future {{coinSymbol}} Generated To save your configurations, simply bookmark the page you are on currently (Ctrl + D) or save the URL below! The diff change is the rate at which the network difficulty is changing every month. Diff change is used for the estimated future profits graph and break-even analysis. Typically in crypto, network difficulty tends to increase over time, meaning a miner will generate less crypto with the same hardware. Accounting for this changing difficulty is essential to generate long term profitability predictions. The diff change value is calculated by looking at the current difficulty and comparing it to the 12 hour moving average of the difficulty one month ago. For smaller coins the diff change can sometimes be inaccurate due to a wildly fluctuating difficulty. The diff change factor can be disabled by either manually setting it to 0 or clicking a "Use Diff Change" switch found below the graph and in the break-even analysis section. Diff Change value is very large. Future profitability estimates may be inaccurate. Consider making Diff Change smaller or turning off Dynamic Difficulty. Hashrate is the only value you need to input to use this calculator, we do the rest of the work for you! Hashrate is the speed which you are mining, and is normally clearly displayed by your mining software or in the specifications for mining hardware. Make sure that you have the correct hashrate suffix selected. For example, if your miner reports 600 GH/s, ensure that GH/s is selected and not TH/s. The Break-Even Analysis feature can help you predict how long it will take to become profitable for a given setup. Time to break-even is calculated by comparing your hardw Continue reading >>

What Is The Ethereum Ice Age?

What Is The Ethereum Ice Age?

Ethereum is currently a Proof of Work cryptocurrency, meaning that computational power is needed, not only to produce new coinsbut to process transactions and to keep the entire ecosystem moving. In order to ensure the system is scalable and decentralized, Ethereum plans to move to a Proof of Stake protocol where a lot lesscomputational power is required and miners can earn rewards according to their balance. The Ethereum Foundation is still working on the Proof of Stake protocol, Casper. Since Casper is not finished and it's not contained in the release version of Ethereum a hard-fork might be required to implement this change. An hard-fork creates an incompatibility between the previous version and the latest, there is always the possibility to create a "split" that result in two blockchains, like Ethereum Classic , did on the 1920000th block, after the hard-fork to refund The DAO token holders took place . In order to ensure such event doesn't take place (although it did already) and to give themselves a time-frame to finish Casper (making the community aware of the introduction of a hard fork within that time-frame), a Difficulty Time Bomb, is also known as Ice Age was implemented in Ethereum. The Ethereum Ice Age is a difficulty adjustment scheme that was put in place to ensure that everyone has an incentive to move to the new blockchain once the hard-fork is implemented. It was introduced on the 7th of September (2015-09-07), about 11 months ago and it's programmed to raise difficulty exponentially. It's impossible for miners to keep up with the increase of difficulty which would raise block time and it would make the blockchain freeze, hencethe name Ice Age. The key part is the calculation for the increase in difficulty is Math.pow(2,Math.floor(block.number / 10 Continue reading >>

Ethereum (eth) Mining Calculator & Profitability Calculator - Cryptoground

Ethereum (eth) Mining Calculator & Profitability Calculator - Cryptoground

How does Ethereum (ETH) Mining Calculator Works? The Ethereum (ETH) Mining Calculator works on the simple principle of getting different input related to the mining hardware setup and applying the Ethereum (ETH) Mining algorithm over it and calculates the amount of Ethereum (ETH) generated. How can the Ethereum (ETH) mining profitability be calculated You can use this tool and input all the parameters like hash rate of your mining hardware rig, hourly power consumption of it, pool commission percentage (the pool which you are going to join in the mining), difficulty of the Ethereum (ETH) network, amount of blocks rewarded, price of Ethereum (ETH) and once you click calculate it will calculate the hourly, daily, weekly, monthly and yearly profit of the whole mining setup Continue reading >>

How Difficulty Adjustment Algorithm Works In Ethereum

How Difficulty Adjustment Algorithm Works In Ethereum

How Difficulty Adjustment Algorithm Works in Ethereum In order to explain the logic of difficulty adjustment, we will use the go implementation of Ethereum which is generally called Geth. Source code of Geth can be found here. Difficulty adjustment algorithm is coded inin block_validator.go file, which can be found here. By difficulty adjustment we mean the logic in Ethereum using which Ethereum tries to keep mining time of the blocks between 10 to 19 sec. If difference in mining time is between 0 to 9 sec. then Geth tries to increase the difficulty to mine the block and if difference is 20 sec. or more, then Geth tries to reduce the mining difficulty of the system. In block_validator.go file, function CalcDifficulty is called to adjust the difficulty of the system and it returns the difficulty of the next block when it will be created. This function, in return, calls calcDifficultyHomestead or calcDifficultyFrontier depending on the configuration parameters. Latest version of Ethereum uses calcDifficultyHomestead function, therefore we will be reviewing calcDifficultyHomestead function. In order to calculate the difficulty of the new block, this function needs following input parameters: time Proposed time of formation of new block parentTime Time of formation of parent Block parentNumber Parent block, block number. Below is step by step process how difficulty of new block gets created. 1. First, difference between time of formation of parent block and new block is calculated. 2. Output of step 1 is then divided by 10 and integer of it is stored. This is done to create ranges. If output of step 1 is between 1 9 then output of this step will be 0. If output of step 1 is between 10 19 then output of this step will be 1. If output of step 1 is between 20 29 then output o Continue reading >>

How Is The Mining Difficulty Calculated On Ethereum?

How Is The Mining Difficulty Calculated On Ethereum?

This is a crosspost from Ethereum stack exchange, since it got 5 up votes but no one seems to be able to answer the question -- given the expertise in this forum perhaps someone can here? "Having read various pieces of documentation, it's still not completely clear to me what dictates the difficulty rise, and how Ethereum difficulty levels differ to Bitcoin. In the past week difficulty has jumped from around 11 to over 17, whilst GH/s has fluctuated between 800.00 - 1400.00 but with no clear correlation between the two. Has the "difficulty bomb" now been introduced? And if yes, is there any way for approximating or calculating how much difficulty will likely rise by in the next 6-12 months? Related: If Serenity / PoS is unlikely to be introduced until early next year, has there been any suggestion from the dev team that the effects of this "difficulty bomb" will be reduced in either the homestead or metropolis releases?" Continue reading >>

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