• Overview - Table of Contents • • • • • • Bitcoin mining pools are a way for Bitcoin miners to pool their resources together and share their hashing power while splitting the reward equally according to the amount of shares they contributed to solving a block. A 'share' is awarded to members of the Bitcoin mining pool who present a valid that their Bitcoin miner solved. Bitcoin mining in pools began when the difficulty for mining increased to the point where it could take years for slower miners to generate a block. The solution to this problem was for miners to pool their resources so they could generate blocks quicker and therefore receive a portion of the Bitcoin block reward on a consistent basis, rather than randomly once every few years. Network Consensus If you solo-mine, meaning you do not mine with a Bitcoin mining pool, then you will need to ensure that you are in consensus with the Bitcoin network. The best way is to use the. If you participate in a Bitcoin mining pool then you will want to ensure that they are engaging in behavior that is in agreement with your philosophy towards Bitcoin. For example, some rogue developers have threatened to release software that could hard-fork the network which would likely result in tremendous financial damage. Therefore, it is your duty to make sure that any Bitcoin mining power you direct to a mining pool does not attempt to enforce network consensus rules you disagree with. Search, order and filter through all Bitcoin mining companies, mining pools, bitcoin mining equipment and ASICs and ethereum cloud mining contracts Prices are updated. Segregated Witness When segwit is activated, you will want to be able to mine and relay segwit-style blocks. The following mining software has been upgraded to support segwit. • Full nodes: • 0.14.1 • 0.14.1 • * • Mining software: • * • • * • Pool software: • • • * • Relay software: • Please note that software that supports the GetBlockTemplate (GBT) RPC must be upgraded to support the BIP9 and BIP145 changes to GBT. All the programs linked above that support GBT have been upgraded. Segwit is already activated and enforced on testnet, so you may find it useful to test your infrastructure upgrade by mining with some small amount of hashrate on testnet. Alternatively, Bitcoin Core 0.13.1’s regression test mode (regtest) also supports segwit by default. Bitcoin Mining Pools There are many good Bitcoin mining pools to choose from. Although it's tempting to pick the most popular one, it's better for the health of the network to mine with smaller pools so as to avoid potentially harmful concentration of hashing power. The hash rate distribution is best when split among more Bitcoin mining pools. Bitcoin Mining Pool Hash Rate Distribution Bitcoin Mining Pool Options For a fully decentralized pool, we highly recommend. The following pools are believed to be currently fully validating blocks with Bitcoin Core 0.11 or later:: BTCC is a Bitcoin exchange, wallet, and mining pool located in China. Its mining pool currently controls around 15% of the network hash rate.: Slush Pool is run by, a Bitcoin company based in the Czech Republic. Slush Pool was the first mining pool and maintains around 7% of the network hash rate.: [WARNING] - Bitmain operates Antpool and some consider them to be a malicious actor in the Bitcoin ecosystem because of the where they were within mining equipment they sell. In a, Bitmain claimed this was a feature and not a bug. This malware would enable Bitmain to remotely shut down equipment of customers or competitors thus increasing their own profitability. Additionally, such behavior could pose a risk to the entire Bitcoin network.: Eligius was one of the first Bitcoin mining pools and was founded by, a Bitcoin Core developer. Today, the pool controls just under 1% of the network hash rate.: BitMinter, once one of the largest Bitcoin mining pools, now controls less than 1% of the network hash rate.: Kano CKPool was founded in 2014 and currently has around 3% of the network hash rate under its control.: F2Pool is the second largest Bitcoin mining pool, with around 25% of the network hash rate. Its user interface is in Chinese, making it difficult for English speakers to join.: BW Pool controls around 7% of the network hash rate. Like F2Pool, its user interface is in Chinese, making it difficult for English speakers to join.: Although seen publically in block explorers and hash rate charts, BitFury is a private mining pool and cannot be joined. Bitcoin Mining Pool Payment Methods Calculating your share of the bitcoins mined can be complex. In an ongoing effort to come up with the fairest method and prevent gaming of the system, many calculation schemes have been invented. The two most popular types are PPS and DGM. PPS, or 'pay per share' shifts the risk to the mining pool while they guarantee payment for every share you contribute. PPS payment schemes require a very large reserve of 10,000 BTC in order to ensure they have the means of enduring a streak of bad luck. For this reason, most Bitcoin mining pools no longer support it. One of the few remaining PPS pools is EclipseMC. DGM is a popular payment scheme because it offers a nice balance between short round and long round blocks. However, end users must wait for full round confirmations long after the blocks are processed. PPS: The Pay-per-Share (PPS) approach offers an instant, guaranteed payout for each share that is solved by a miner. Miners are paid out from the pools existing balance and can withdraw their payout immediately. This model allows for the least possible variance in payment for miners while also transferring much of the risk to the pool's operator. PROP: The Proportional approach offers a proportional distribution of the reward when a block is found amongst all workers, based off of the number of shares they have each found. PPLNS: The Pay Per Last N Shares (PPLN) approach is similar to the proportional method, but instead of counting the number of shares in the round, it instead looks at the last N shares, no matter the boundaries of the round. DGM: The Double Geometric Method (DGM) is a hybrid approach that enables the operator to absorb some of the risk. The operator receives a portion of payouts during short rounds and returns it during longer rounds to normalize payments. SMPPS: The Shared Maximum Pay Per Share (SMPPS) uses a similar approach to PPS but never pays more than the Bitcoin mining pool has earned. ESMPPS: The Equalized Shared Maximum Pay Per Share (ESMPPS) is similar to SMPPS, but distributes payments equally among all miners in the Bitcoin mining pool. RSMPPS: The Recent Shared Maximum Pay Per Share (RSMPPS) is also similar to SMPPS, but the system prioritizes the most recent Bitcoin miners first. CPPSRB: The Capped Pay Per Share with Recent Backpay uses a Maximum Pay Per Share (MPPS) reward system that will pay Bitcoin miners as much as possible using the income from finding blocks, but will never go bankrupt. BPM: Bitcoin Pooled mining (BPM), also known as 'Slush's pool', uses a system where older shares from the beginning of a block round are given less weight than more recent shares. This reduces the ability to cheat the mining pool system by switching pools during a round. POT: The Pay on Target (POT) approach is a high variance PPS that pays out in accordance with the difficulty of work returned to the pool by a miner, rather than the difficulty of work done by the pool itself. SCORE: The SCORE based approach uses a system whereby a proportional reward is distributed and weighed by the time the work was submitted. This process makes later shares worth more than earlier shares and scored by time, thus rewards are calculated in proportion to the scores and not shares submitted. ELIGIUS: Eligius was designed by Luke Jr., creator of BFGMiner, to incorporate the strengths of PPS and BPM pools, as to earn shares and the pool pays out immediately. When the block rewards are distributed, they are divided equally among all shares since the last valid block and the shares contributed to stale blocks are cycled into the next block's shares. Rewards are only paid out if a miner earns at least. 67108864 and if the amount owed is less than that it will be rolled over to the next block until the limit is achieved. However, if a Bitcoin miner does not submit a share for over a period of a week, then the pool will send any remaining balance, regardless of its size. Triplemining: Triplemining brings together medium-sized pools with no fees and redistributes 1% of every block found, which allows your share to grow faster than any other Bitcoin mining pool approach. The administrators of these Bitcoin mining pools use some of the Bitcoins generated when a block is found to add to a jackpot that is triggered and paid out to the member of the pool who found the block. In this way, everyone in the pool has a better chance to make additional Bitcoins, regardless of their processing power. Best Bitcoin Cloud Mining Contract Reviews and Comparisons • Overview - Table of Contents • • • • • • • • • • • What is Bitcoin Cloud Mining? Cloud mining or cloud hashing enables users to purchase mining capacity that of hardware in data centres. Two operators, and, have been offering contracts for several years. Bitcoin cloud mining enables people to earn Bitcoins without bitcoin mining hardware, bitcoin mining software, electricity, bandwidth or other offline issues. Bitcoin cloud mining, sometimes called cloud hashing, enables users to buy the output of Bitcoin mining power from Bitcoin mining hardware placed in remote data centres. Then all Bitcoin mining is done remotely in the cloud. This enables the owners to not deal with any of the hassles usually encountered when mining bitcoins such as electricity, hosting issues, heat, installation or upkeep trouble. What are Bitcoin Cloud Mining Advantages? • No excess heat to deal with • Quiet because of no constantly humming fans • No electricity costs • No bitcoin mining equipment to sell when bitcoin mining is no longer profitable • No ventilation problems with hot equipment • No preordered bitcoin mining hardware that may not be delivered on time by bitcoin mining equipment suppliers What are Bitcoin Cloud Mining Disadvantages? • Unverifiable or otherwise shady Bitcoin cloud mining operations • No fun! If you like building your own Bitcoin hashing systems. • Lower profits – Bitcoin cloud mining services or mining company will have expenses • Bitcoin mining contracts may have the ability to cease operations or payouts in the contracts if the Bitcoin price is too low • Lack of possession of the Bitcoin mining hardware • Lack of ability to change the Bitcoin mining software Best Bitcoin Cloud Hashing Services Being listed in this section is NOT an endorsement of these services and is to serve merely as a Bitcoin cloud mining comparison. There have been a tremendous amount of Bitcoin cloud mining scams.: Hashflare offers SHA-256 mining contracts and more profitable SHA-256 coins can be mined while automatic payouts are still in BTC. Customers must purchase at least 10 GH/s.: Genesis Mining is the largest Bitcoin and scrypt cloud mining provider. Genesis Mining offers three Bitcoin cloud mining plans that are reasonably priced. Zcash mining contracts are also available.: Hashing24 has been involved with Bitcoin mining since 2012. They have facilities in Iceland and Georgia. They use modern ASIC chips from BitFury deliver the maximum performance and efficiency possible.: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more. Minergate Review: Offers both pool and merged mining and cloud mining services for Bitcoin.: Hashnest is operated by Bitmain, the producer of the Antminer line of Bitcoin miners. HashNest currently has over 600 Antminer S7s for rent. You can view the most up-to-date pricing and availability on Hashnest's website. At the time of writing one Antminer S7's hash rate can be rented for $1,200. Bitcoin Cloud Mining Review: Currently all Bitcoin Cloud Mining contracts are sold out. NiceHash Review: NiceHash is unique in that it uses an orderbook to match mining contract buyers and sellers. Check its website for up-to-date prices.: Start cloud mining Bitcoin with as little as $10. Eobot claims customers can break even in 14 months. MineOnCloud Review: MineOnCloud currently has about 35 TH/s of mining equipment for rent in the cloud. Some miners available for rent include AntMiner S4s and S5s. Best Bitcoin Cloud Mining Contracts and Comparisons Bitcoin cloud mining contracts are usually sold for bitcoins on a per hash basis for a particular period of time and there are several factors that impact with the primary factor being the Bitcoin price. For example, Pay per GHash/s would be 0.0012 BTC / GHs for a 24 month contract. Contracts vary from hourly to multiple years. The major factor that is unknown to both parties is the Bitcoin network difficulty and it drastically determines the profitability of the bitcoin cloud hashing contracts. Bitcoin network difficulty is a measure of how difficult it is to find a hash below a given target. The Bitcoin network has a global block difficulty. Valid blocks must have a hash below this target. Bitcoin mining pools also have a pool-specific share difficulty setting a lower limit for shares. The Bitcoin network difficulty changes roughly every two weeks or 2,016 blocks. There are all types of cloud mining options for other forms of blockchain technology. Best Litecoin Cloud Mining Services and Comparisons There are limited options for Litecoin cloud mining contracts. If nothing on the list below meets your needs, you can buy Bitcoin cloud mining contracts (listed above) and simply convert the bitcoins you earn to litecoin.: Hashflare offers scrypt mining contracts with a minimum purchase of 1 MH/s.: Genesis Mining offers Litecoin cloud mining contracts.: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more. Minergate Review: Offers both pool and merged mining and cloud mining services for Litecoin.: Eobot offers Litecoin cloud mining contracts with 0.0071 LTC monthly payouts. Best Dash Cloud Mining Services and Comparisons There are limited options for Dash cloud mining contracts. If nothing on the list below meets your needs, you can buy Bitcoin cloud mining contracts (listed above) and simply convert the bitcoins you earn to Dash.: Genesis Mining is the largest X11 cloud mining provider. Genesis Mining offers three Dash X11 cloud mining plans that are reasonably priced. Best Ether Cloud Mining Services and Comparisons There are limited options for Ether cloud mining contracts. If nothing on the list below meets your needs, you can buy Bitcoin cloud mining contracts (listed above) and simply convert the bitcoins you earn to ether.: Hashflare is a large Ether cloud mining provider with reasonably priced Ethereum cloud mining contracts.: Genesis Mining is the largest Ether cloud mining provider. Ethereum cloud mining contracts are reasonably priced.: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more.: Eobot offers Ethereum cloud mining contracts with 0.0060 ETH monthly payouts. This will show you how to mine Ethereum using Amazon cloud servers. Bitcoin Cloud Mining Scams There have been a tremendous amount of Bitcoin cloud mining scams like the possible $500,000 that was uncovered. Potential buyers should be extremely guarded and careful before purchasing any bitcoin mining contracts. Services to beware of: Scrypt.cc Review: Scrypt.cc allows purchase of KHS in a matter of seconds, start mining right away and even be able to trade your KHS in real time with prices based on supply and demand! All KHashes are safely stored and maintained in 2 secured data-centres. PB Mining Review: Claims to operate Bitcoin mining ASIC hardware. When customers buy a bitcoin mining contract then they will begin earning Bitcoins instantly. At Piggyback Mining, they cover the electricity costs and all Bitcoin mining pool fees. The Bitcoin mining contract is 100% insured because they want customers to succeed. Bitcoin Cloud Services (BCS) Review: Appears to have been a. Zeushash Review: Appears to have halted payouts. Bitminer.io Review: Based on they appear to have halted payouts. Cryptocurrency Cloud Mining Companies Hashflare Review: An Estonian cloud miner with SHA-256, Scrypt and Scrypt-N options and currently appears to be the best value. Genesis Mining Review: is the largest Bitcoin and scrypt cloud mining provider. Hashing 24 Review: Hashing24 has been involved with Bitcoin mining since 2012. They have facilities in Iceland and Georgia. They use modern ASIC chips from BitFury deliver the maximum performance and efficiency possible. Minex Review: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more. Minergate Review: MinerGate is a mining pool created by a group of cryptocoin enthusiasts. It is the first pool which provides service for merged mining. This means that while mining on our pool you can mine different coins simultaniously without decrease of hashrate for major coin. Hashnest Review: Hashnest is operated by Bitmain, producer of the Antminer line of miners. HashNest currently has over 600 Antminer S7s for rent. You can view the most up-to-date pricing and availability on Hashnest's website. Bitcoin Cloud Mining Review: Supposedly has been mining Bitcoin since mid-2013. All Bitcoin miners are located in a state-of-the-art data centre in Australia and they have direct access to high quality equipment and 24/7 support. NiceHash Review: NiceHash offers you to sell and buy hashing power. Selling hashing power is as simple as connecting your miner to our stratum mining pools while buyers can buy hashing power on demand, on pay-as-you-go basis. Claims to bring an innovative easy-to-use and risk-free cloud mining service. You can mine the vast majority of popular coins, based on SHA-256 (Bitcoin, etc.), Scrypt (Litecoin, Dogecoin, etc.), Scrypt-N (Vertcoin, etc.) and X11 (DarkCoin, etc.). Eobot Review: Claims to be the easiest, cheapest, and best cloud mining solution. Start with as little as $10 using PayPal and choose between any cryptocurrency including Bitcoin, Litecoin, Peercoin, Namecoin, Feathercoin, Dogecoin, NautilusCoin, and Vertcoin. MineOnCloud Review: MineOnCloud appears to have obselete hardware. It was launched on November 2013. They offer Bitcoin mining contracts for SHA256 using a very stable ASIC 28nm chip. They have two bitcoin mining contract options - a day pass and an annual contract. Customers can choose the Bitcoin mining pool and change every month for free with year contract. Scrypt.cc Review: Scrypt.cc allows purchase of KHS in a matter of seconds, start mining right away and even be able to trade your KHS in real time with prices based on supply and demand! All KHashes are safely stored and maintained in 2 secured data-centres. PB Mining Review: Claims to operate Bitcoin mining ASIC hardware. When customers buy a bitcoin mining contract then they will begin earning Bitcoins instantly. At Piggyback Mining, they cover the electricity costs and all Bitcoin mining pool fees. The Bitcoin mining contract is 100% insured because they want customers to succeed. Bitcoin Cloud Services (BCS) Review: Appears to have been a. Zeushash Review: Appears to have halted payouts. Bitminer.io Review: Based on they appear to have halted payouts. Other Languages Arabic - Burmese - Chinese (Cantonese) - Chinese (Mandarin) - Dutch - French - German - Georgian - Greek - Hindi - Indonesian - Italian - Japanese - Korean - Lao - Nordics - Norwegian - Polish - Portuguese - Russian - Spanish - Swedish - Pilipino - Thai - Turkish - Vietnamese.
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