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What are Bitcoin Mining Pools?

Arjun Balaji is an analyst, engineer, and technical advisor to The Block. To begin, we must select a suitable ASIC mining rig. Close Menu Sign up for our newsletter to start getting your news fix. Whenever they solve blocks, pools reward individual miners according to their contributed hashrate minus commissions and the like. This number was initially set to 50, halved to 25 in late, and halved again to Although a pool has a much larger chance of solving a block and winning the reward, that reward will be split between all the pool members. When total hashrate rises, the Difficulty of POW hashing adjusts upwards what is the coinbase limit for a debit card estimate bitcoin mining with 1 petahash and the inverse also applies. Privacy Policy. An excellent result! To determine your own power cost, check worldwide electricity prices or your utility bill for the exact price. This is where blocks solved for bitcoin can be used for other currencies that use the same proof of work algorithm for example, namecoin and devcoin. Watts per hashrate per second. Therefore, bitcoin early investors pool.bitcoin.com set difficulty a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. The Latest. First-time miners who lack particularly powerful hardware should look at altcoins over bitcoin — especially currencies based on the scrypt algorithm rather than SHA Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. Bitcoin prices drop materially, eventually marginally profitable miners shut off, ad infinitum, until all the miners are gone litecoin network confirmations use ethereum to transfer secure doc no one mines Bitcoin cue: Buy Bitcoin Worldwide is not offering, promoting, or encouraging the purchase, sale, or trade of any security or commodity. Smaller pools will generally offer lower or even no fees, but keep in mind they will seldom find how to move coins into coinbase from paper wallet unable to find word for passphrase ledger nano. By correctly hashing the current block, miners prove their investment of work and are rewarded with a certain number of newly-created bitcoins. When deciding which mining bitcoin early investors pool.bitcoin.com set difficulty to join, you need to weigh up how each pool shares out its payments and what fees if any it deducts. Bitcoin mining has grown from a handful of early enthusiasts into a cottage industry, into a specialized industrial-level venture.

Smaller pools will generally offer lower or even no fees, but keep in mind they will seldom find blocks. Privacy Policy. When bitcoin flaws current value of bitcoin in inr hashrate rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies. Arjun Balaji is an bitcoin talk vivo ann coinbase archive, engineer, and technical advisor to The Block. Bitcoin is dead, redux. In other words, the unit will pay for itself within a year. Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. Close Menu Sign up for our newsletter to start getting your news fix. The next halving event expected is around mid It leaves the loyal coin followers having to mine the difficulty back down again at very low profitability. A useful analogy for merged mining is to think of it like entering the same set of numbers into several lotteries. Note that the Hardware Costs field does not seem to influence the litecoin investment sites bitcoin encryption calculation. Those with a strong interest in such things, namely cypherpunks, cryptographers, technically-minded libertarians and assorted hackers, were first to stake their claim. This is because the difficulty of bitcoin calculations is far too high for the processors found in regular PCs. The Bitmain AntMiner S9 is a modern mining rig which offers a good hashrate for its power consumption. If pre-ordering any such equipment, be aware that potential manufacturing, shipping, customs or other delays could end up being very costly as difficulty rises or price falls during the interim. Best Bitcoin Mining Hardware. Also bear in mind that the rate of obsolescence in Bitcoin mining hardware is quite fast! Jordan Confido coinmarketcap dogecoin blackjack Last updated January 29, bitcoin early investors pool.bitcoin.com set difficulty

Twitter Facebook LinkedIn Link. In other words, the unit will pay for itself within a year. Privacy Policy. The price paid per Watt will greatly influence profitability. Buy Bitcoin Worldwide is for educational purposes only. The current fiat price of Bitcoin ; critical for calculating profitability. However, some pools do not deduct anything. More examples can be found on the bitcoin wiki. When total hashrate rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies. December 4, , Join The Block Genesis Now. There is no use whatsoever for these share blocks, but they are recorded as proof of work to show that miners are trying to solve blocks. A useful analogy for merged mining is to think of it like entering the same set of numbers into several lotteries. When deciding which mining pool to join, you need to weigh up how each pool shares out its payments and what fees if any it deducts. He founded Shomei Capital and holds bitcoin.

Currency difficulty

Subscribe Here! Bitcoin prices drop materially, eventually marginally profitable miners shut off, ad infinitum, until all the miners are gone and no one mines Bitcoin cue: Miners, who are strictly rational short-term, would then choose to shut off all their miners or mine alternative cryptocurrencies rather than take losses mining Bitcoin unprofitably. Think of it as a measure of quality. The current fiat price of Bitcoin ; critical for calculating profitability. The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. Column Proof of Work: The Bitmain AntMiner S9 is a modern mining rig which offers a good hashrate for its power consumption. The situation may improve in future once ASIC mining hardware innovation reaches the point of diminishing returns. Electricity is the major on-going cost of Bitcoin mining. That, coupled with cheap, hopefully sustainable power solutions may once again make Bitcoin mining profitable to small individual miners around the world. New, more efficient mining hardware may be released at any time, although we are reaching the technological limits of improved efficiencies. Bitcoin mining has grown from a handful of early enthusiasts into a cottage industry, into a specialized industrial-level venture. If pre-ordering any such equipment, be aware that potential manufacturing, shipping, customs or other delays could end up being very costly as difficulty rises or price falls during the interim. Also bear in mind that the rate of obsolescence in Bitcoin mining hardware is quite fast! The difficulty of mining a Bitcoin block is naturally adjusted by the system every blocks, which probabilistically averages to two week intervals. Did it not happen after all?

The current fiat price of Bitcoin ; critical for calculating profitability. The price paid per Watt will greatly influence profitability. There are many schemes by which pools can divide payments. Email address: Best Bitcoin Mining Hardware. Join The Block Genesis Now. There is no use whatsoever for these share blocks, but they are recorded as proof of work to show that miners are trying to solve blocks. To begin, we must select a suitable ASIC mining rig. Bitcoin diamond on bittrex litecoin historical data higher their relative power, the more solutions and hence, block rewards a miner is likely to. Before the proposed death spiral, Bitcoin could have an emergency fork to a manually adjusted lower difficulty to speed up the process to the next natural adjustment. In other words, the unit will pay for itself within a year. However, Mark from nut2pools. Privacy Policy. Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: PoW hashing ensures the proper function of the Bitcoin blockchain. What to mine? Of course, while industrialized mining has changed the landscape materially, the fundamental game theory Bitcoin relies bitcoin proof of work explained sell bitcoin online canada have not. Watts per hashrate per second. Buy Bitcoin Worldwide receives compensation with respect to its referrals for bitcoin early investors pool.bitcoin.com set difficulty crypto exchanges and crypto wallet websites. This tends to follow the hash rate, as seen below:. The fees and reward structures of various pools are compared in this list.

Join The Block Genesis Now. Close Menu Sign up bitcoin early investors pool.bitcoin.com set difficulty our newsletter to start getting your news fix. The situation may improve in future once ASIC mining hardware innovation reaches the point of diminishing returns. What to mine? Price to mine bitcoins ethereum hashrate of rx 470 all the multipools swing round, push the difficulty through the roof in a few hours, then leave. The next halving event expected is around mid This is because the difficulty of bitcoin calculations is far too high for the processors found in regular PCs. When deciding which mining pool to join, you need to weigh up how each pool shares out its payments and what fees if any it deducts. Only those with specialised, high-powered machinery are able to profitably extract bitcoins nowadays. There is no use whatsoever for these share blocks, but they are recorded as proof of work to show that miners are trying to solve blocks. Unless you command a coinbase my referral link which bitcoin broker hashrate, your odds of solving a block by yourself i. This is the cryptographic work which miners perform in order to find the solution which allows them to electrum bip 148 mining power bitcoin for apple a new block. The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. The average home miner will struggle to be profitable or recoup the cost of mining hardware and electricity, especially with the Bitcoin downward price trend. However, some pools do not deduct. This would also greatly improve the decentralization of the Bitcoin network, hardening it against legislative risk.

To begin, we must select a suitable ASIC mining rig. Sign In. However, some pools do not deduct anything. Twitter Facebook LinkedIn Link. That, coupled with cheap, hopefully sustainable power solutions may once again make Bitcoin mining profitable to small individual miners around the world. Then all the multipools swing round, push the difficulty through the roof in a few hours, then leave again. Twitter Facebook LinkedIn Link bitcoin. Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. Did it not happen after all? Watts per hashrate per second. Bitcoin analyst Nic Carter elegantly explains the possibilities:. Join The Block Genesis Now. Email address: Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: Maps Mapping out crypto mining Read more. Think of it as a measure of quality. He founded Shomei Capital and holds bitcoin.

Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: Privacy Policy. An excellent result! It leaves the loyal coin followers having to mine the coinbase adding gnt reddit prepaid bitcoin wallet back down again at very low profitability. Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. Best Bitcoin Mining Hardware. This would also greatly improve the decentralization of the Bitcoin network, hardening it against legislative risk. The current fiat price of Bitcoin ; critical for calculating profitability. Bitcoin is dead, redux. Genesis Knowing the developers: Best Bitcoin Mining Pools. However, Mark from nut2pools. Buy Bitcoin Worldwide is for educational purposes. He founded Shomei Capital and holds bitcoin. It adjusts to hashrate to ensure that blocks are found roughly every 10 minutes.

Privacy Policy. Close Menu Sign up for our newsletter to start getting your news fix. The difficulty of mining a Bitcoin block is naturally adjusted by the system every blocks, which probabilistically averages to two week intervals. The Latest. Then all the multipools swing round, push the difficulty through the roof in a few hours, then leave again. Column Proof of Work: Indeed, pools are a way to encourage small-scale miners to stay involved. Whenever they solve blocks, pools reward individual miners according to their contributed hashrate minus commissions and the like. Shares are a tricky concept to grasp. Best Bitcoin Mining Hardware. This would also greatly improve the decentralization of the Bitcoin network, hardening it against legislative risk. December 4, , More examples can be found on the bitcoin wiki. Occasionally, Bitcoin hash rate spikes as a big new mining pool comes online. Think of it as a measure of quality.

Scenario 1: Big Chinese Miners

Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. Occasionally, Bitcoin hash rate spikes as a big new mining pool comes online. The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. Buy Bitcoin Worldwide is for educational purposes only. This is the cryptographic work which miners perform in order to find the solution which allows them to define a new block. Subscribe Here! Indeed, pools are a way to encourage small-scale miners to stay involved. There is no use whatsoever for these share blocks, but they are recorded as proof of work to show that miners are trying to solve blocks. The fees and reward structures of various pools are compared in this list. This is where blocks solved for bitcoin can be used for other currencies that use the same proof of work algorithm for example, namecoin and devcoin. Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: To begin, we must select a suitable ASIC mining rig.

Bitcoin analyst Nic Carter elegantly explains the possibilities:. The Latest. Did it not happen after all? Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. He founded Shomei Capital and holds bitcoin. It adjusts to hashrate to ensure that blocks are found roughly every 10 minutes. Jordan Tuwiner Last updated January 29, The higher their relative power, the more solutions and hence, block rewards a miner is likely to. Bitcoin early investors pool.bitcoin.com set difficulty bear in mind that the rate of obsolescence in Bitcoin mining hardware is quite fast! Note that the Hardware Lowest trading fees bitcoin coinbase says invalid currency field does not seem to influence the final calculation. Bitcoin mining has grown from a handful of early enthusiasts into a cottage industry, into a specialized industrial-level venture. Only those with specialised, high-powered machinery are able to profitably extract bitcoins nowadays. The easy money was scooped out a long time ago and what remains is buried under the cryptographic equivalent of tons of hard rock. The future profitability of mining cannot be reliably predicted, mostly due to the changing Bitcoin bitcoin quotes 2019 how to mine dash site youtube.com. December 4, Shares are a tricky concept to grasp. When total hashrate rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies.

Pros and cons

While mining is still technically possible for anyone, those with underpowered setups will find more money is spent on electricity than is generated through mining. This is due to the ever-changing nature of the Difficulty modifier and the BTC price, in particular. To begin, we must select a suitable ASIC mining rig. Email address: When total hashrate rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies. Smaller pools will generally offer lower or even no fees, but keep in mind they will seldom find blocks. The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. Before the proposed death spiral, Bitcoin could have an emergency fork to a manually adjusted lower difficulty to speed up the process to the next natural adjustment. What to mine? Best Bitcoin Mining Hardware. Any such advice should be sought independently of visiting Buy Bitcoin Worldwide.

Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. To aid in selection, the Bitcoin Wiki provides a handy mining hardware comparison:. Sign In. The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. Jordan Tuwiner Last updated January 29, Think of it as a measure of quality. Arjun Balaji is an analyst, engineer, and technical advisor to The Block. The argument is crutched on a few core assumptions often relied on by critics: However, some pools do not deduct. Also bear in mind that the rate of obsolescence in Bitcoin mining how to make a bitcoin farm 226 mh s ethereum mining rig is quite fast! When deciding which mining pool to join, you need to weigh up how each pool shares out its payments and what fees if any it deducts. The current fiat price of Bitcoin ; critical for calculating profitability. What to mine? It adjusts to hashrate to ensure that blocks are found roughly every 10 minutes.

Calculating Mining Profitability

Load More. The narrative was first entertained on Bitcointalk forums as early as Smaller pools will generally offer lower or even no fees, but keep in mind they will seldom find blocks. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading. Think of it as a measure of quality. Close Menu Sign up for our newsletter to start getting your news fix. Buy Bitcoin Worldwide is not offering, promoting, or encouraging the purchase, sale, or trade of any security or commodity. Watts per hashrate per second. Bitcoin prices drop materially, eventually marginally profitable miners shut off, ad infinitum, until all the miners are gone and no one mines Bitcoin cue: The difficulty of mining a Bitcoin block is naturally adjusted by the system every blocks, which probabilistically averages to two week intervals. An excellent result! Email address: With hashrate shooting up over the years, it would seem blocks would be found by miners ever more rapidly. The next halving event expected is around mid The home miner really has no chance to compete in such a challenging environment, unless they have access to free or extremely low-cost electricity…. This happened in early Every visitor to Buy Bitcoin Worldwide should consult a professional financial advisor before engaging in such practices. By correctly hashing the current block, miners prove their investment of work and are rewarded with a certain number of newly-created bitcoins. Those with a strong interest in such things, namely cypherpunks, cryptographers, technically-minded libertarians and assorted hackers, were first to stake their claim.

When deciding which bitcoin and altcoin picture purchase vps with bitcoin pool to join, you need to weigh up how each pool shares out its payments and what fees if any it deducts. The narrative was first accept bitcoin payment on website easily convert bitcoin to usd on Bitcointalk forums as early as Twitter Facebook LinkedIn Link bitcoin. When total hashrate rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies. This is because the difficulty of bitcoin calculations is far too high for the processors most profitable gpu mining coin p2p cloud distributed mining in regular PCs. There are many schemes by which pools can divide payments. Whenever they solve blocks, pools reward individual miners according to their contributed hashrate minus commissions and the like. Best Bitcoin Mining Hardware. Keep two things in mind: However, some pools do not deduct. By correctly hashing the current block, miners prove their investment of work and are rewarded with a certain number of newly-created bitcoins. Arjun Balaji is an analyst, engineer, and technical advisor to The Block. The situation may improve in future once ASIC mining hardware innovation reaches the point of diminishing returns. Miners, who are strictly rational short-term, would then choose to shut off all their miners or mine alternative cryptocurrencies rather than take losses mining Bitcoin unprofitably. Occasionally, Bitcoin hash rate spikes as a big new mining pool comes online. Close Menu Sign up for our newsletter to start getting your news fix.

The Latest

Any such advice should be sought independently of visiting Buy Bitcoin Worldwide. Genesis Knowing the developers: While mining is still technically possible for anyone, those with underpowered setups will find more money is spent on electricity than is generated through mining. Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: Twitter Facebook LinkedIn Link. First-time miners who lack particularly powerful hardware should look at altcoins over bitcoin — especially currencies based on the scrypt algorithm rather than SHA Bitcoin mining has grown from a handful of early enthusiasts into a cottage industry, into a specialized industrial-level venture. To begin, we must select a suitable ASIC mining rig. Slow and Steady View Article. Buy Bitcoin Worldwide does not offer legal advice. Best Bitcoin Mining Hardware. What to mine? The argument is crutched on a few core assumptions often relied on by critics: Miners, who are strictly rational short-term, would then choose to shut off all their miners or mine alternative cryptocurrencies rather than take losses mining Bitcoin unprofitably. The fees and reward structures of various pools are compared in this list. Buy Bitcoin Worldwide is not offering, promoting, or encouraging the purchase, sale, or trade of any security or commodity. Only a legal professional can offer legal advice and Buy Bitcoin Worldwide offers no such advice with respect to the contents of its website. Best Bitcoin Mining Pools. Every visitor to Buy Bitcoin Worldwide should consult a professional financial advisor before engaging in such practices. Bitcoin is dead, redux.

Therefore, joining a pool creates a steady stream of income, even if each payment is modest compared to the full block reward which currently stands at 25 XBTC. What are Bitcoin Mining Pools? Bitcoin gemini bitcoin credit card fee coinbase has sign in problem drop materially, eventually marginally profitable miners shut off, ad infinitum, until all the miners are gone and no one mines Bitcoin cue: Bitcoin mining has grown from a handful of early enthusiasts into a cottage industry, into a specialized industrial-level venture. Any such advice should be sought independently of visiting Buy Bitcoin Worldwide. Buy Bitcoin Worldwide is for educational purposes. Buy Bitcoin Worldwide is not offering, promoting, or encouraging the purchase, sale, or trade of any security or commodity. There is no use whatsoever for these share blocks, but they are recorded as proof of work to show that miners are trying to solve blocks. The argument is crutched on a few core assumptions often relied on by critics: By correctly hashing the current block, miners prove their investment of work and are rewarded with a certain number of newly-created bitcoins. The other factor to consider is how much the pool will deduct from your mining payments. This number was initially set to 50, halved to 25 in late, and halved again to The narrative was cryptocurrency ico on neo crypto bazar entertained on Bitcointalk forums as early as

Every visitor to Buy Bitcoin Worldwide should consult a professional financial advisor before engaging in such practices. Buy Bitcoin Worldwide does not offer legal advice. Of course, this is very undesirable and should be considered a last-resort. Subscribe Here! The argument is crutched on a few core assumptions often relied on by critics: He founded Shomei Capital and holds bitcoin. Those with a strong interest in such things, namely cypherpunks, cryptographers, technically-minded libertarians and assorted hackers, were first to stake their claim. The other factor to consider is how much the pool will deduct from your mining payments. Slow and Steady View Article.

Also bear in mind that the rate of obsolescence in Bitcoin mining hardware is quite fast! This is due to the ever-changing nature of the Difficulty modifier and the BTC price, in particular. Privacy Policy. First-time miners who lack particularly powerful hardware should look at altcoins over bitcoin — especially currencies based on the scrypt algorithm rather than SHA Occasionally, Bitcoin hash rate spikes coinbase send bitcoin to hard wallet how to begin investing in bitcoin a big new mining pool comes online. The next halving event expected is around mid The Team Careers About. Whenever they solve blocks, pools reward individual miners according to their contributed hashrate minus commissions and the like. Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: If pre-ordering any such equipment, be aware that potential manufacturing, shipping, customs or other delays could end up being very costly as difficulty rises or price falls during the interim. Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. To begin, we must overclocking rx 580 ethereum how to buy bitcoin with circle pay a suitable ASIC mining rig. The easy money was scooped out a long time ago and what remains is buried under the cryptographic equivalent of tons of hard rock. Maps Mapping out crypto mining Read. To aid in selection, the Bitcoin Wiki provides a handy mining hardware comparison:. More examples can be found on the bitcoin wiki. Bitcoin early investors pool.bitcoin.com set difficulty to mine? It adjusts to hashrate to ensure that blocks are found roughly every 10 minutes. Indeed, pools are a way to encourage small-scale miners to stay involved. The Latest. Those with a strong interest in such things, namely cypherpunks, cryptographers, technically-minded libertarians and assorted hackers, were first to stake their claim.

This is where blocks solved for bitcoin can be used for other currencies that use the same proof of work algorithm for example, namecoin and devcoin. Then all the multipools swing round, push the difficulty through the roof in a few hours, then leave again. Column Proof of Work: That, coupled with cheap, hopefully sustainable power solutions may once again make Bitcoin mining profitable to small individual miners around the world. A useful analogy for merged mining is to think of it like entering the same set of numbers into several lotteries. The difficulty of mining a Bitcoin block is naturally adjusted by the system every blocks, which probabilistically averages to two week intervals. Maps Mapping out crypto mining Read more The case that Bitcoin is going into a miner-induced death spiral is intuitively compelling: Only those with specialised, high-powered machinery are able to profitably extract bitcoins nowadays. Buy Bitcoin Worldwide does not offer legal advice. The narrative was first entertained on Bitcointalk forums as early as Privacy Policy. Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. Email address: Before the proposed death spiral, Bitcoin could have an emergency fork to a manually adjusted lower difficulty to speed up the process to the next natural adjustment. With hashrate shooting up over the years, it would seem blocks would be found by miners ever more rapidly. The Team Careers About. Buy Bitcoin Worldwide receives compensation with respect to its referrals for out-bound crypto exchanges and crypto wallet websites. To begin, we must select a suitable ASIC mining rig. He founded Shomei Capital and holds bitcoin.

Twitter Facebook LinkedIn Link bitcoin. The situation may improve in future once ASIC mining hardware innovation reaches the point of diminishing returns. Think of it as a measure of quality. The fees and reward structures of various pools are compared in this candles bitcoin time to buy coinbase deals. Genesis Knowing the developers: Only a legal professional can offer legal advice and Buy Bitcoin Worldwide offers no such advice with respect to the contents of its website. The difficulty of mining a Bitcoin block is naturally adjusted by the system every blocks, which probabilistically averages to two week intervals. When total litecoin investment sites bitcoin encryption rises, the Difficulty of POW hashing adjusts upwards — and the inverse also applies. First-time miners who lack particularly powerful hardware should look at altcoins over bitcoin — especially currencies based on the scrypt algorithm rather than SHA