Comparison of mining pools: Difference between revisions

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! Name !! Location !! GH/s<ref name="hashrate2">Note that pool hashrate is largely irrelevant but can be seen as a popularity measurement. Note however that it is a theoretical security issue if one pool gains above 50% of the total computational power of the network, thus consider joining a pool based on other metrics.</ref> !! Merged Mining<ref name="merged">Merged mining allows miners to mine on multiple [[block chains]] at the same time with the same hashing.</ref> !! Reward Type !! Transaction fees !! PPS Fee !! Reward Fee !! Protocol !! Launched !! Difficulty<ref name="diff">The share difficulty the pool uses</ref> !! Forum !! Website
! Name               !! Location             !! GH/s<ref name="hashrate2"/>
!                                                         Merged Mining<ref name="merged"/>
!                                                                   Reward Type             !! Transaction fees!!PPS Fee!!Other Fee!! Protocol
! Launched   !! Variance                    !! Forum                                       !! Website
|-
|-
| [[50BTC]] || DE/USA/RU || 8000 || No || PPS<ref name="stales">Pool also rewards stale shares</ref> || kept by pool ||3% || || [[getwork]], [[stratum]] || 2011-11-11 || Choosable<ref name="changeable"/> || [http://bitcointalk.org/index.php?topic=54673.0 1] || [http://50btc.com/ Link]
| [[50BTC]]           || Germany/USA/Russia  || 8000 || No     || PPS<ref name="stales"/> || kept by pool     ||   3% ||         || [[getwork]], [[stratum]]
| 2011-11-11 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=54673 link] || [http://50btc.com/ link]
|-
|-
| [[ABCPool.co|ABCPool.co]] || USA || 600 || No || PPS<ref name="stales">Pool also rewards stale shares</ref> || kept by pool || 5% || || [[getwork]] || 2011-08-02 || 1 || [http://bitcointalk.org/index.php?topic=33586.0 1] || [http://www.ABCPool.co/ Link]
| [[ABCPool.co]]     || USA                 ||   600 || No     || PPS<ref name="stales"/> || kept by pool     ||   5% ||         || [[getwork]]
| 2011-08-02 || Diff 1                       || [http://bitcointalk.org/?topic=33586 link] || [http://www.ABCPool.co/ link]
|-
|-
| [[BitArena]] || Romania || 1 || No || Prop. || kept by pool || || 0% || [[getblocktemplate]] || 2012-09-22 || 1 || [https://bitcointalk.org/index.php?topic=112243.0 1] ||[https://www.bitarena.net/ Link]
| [[BitArena]]       || Romania             ||     1 || No     || Prop.                   || kept by pool     ||     ||     0% || [[getblocktemplate]]
| 2012-09-22 || Diff 1                       || [http://bitcointalk.org/?topic=112243 link] || [https://www.bitarena.net/ link]
|-
|-
| [[Bitcash.cz|Bitcash.cz]] || Czech Republic || 5 || No || Prop. || kept by pool || || 0% || [[getwork]] || 2012-09-14 || 1 || [http://bitcash.cz/forum/ 1] ||  
| [[Bitcash.cz]]     || Czech Republic       ||     5 || No     || Prop.                   || kept by pool     ||     ||     0% || [[getwork]]
[http://bitcash.cz/pool/ Link]
| 2012-09-14 || Diff 1                       || [http://bitcash.cz/forum/ link]             || [http://bitcash.cz/pool/ link]
|-
|-
| [[Bitclockers|BitClockers]] || USA/EU || 250 || [[NMC]] || PPS || kept by pool || 8% || || [[getwork]] || 2011-05-27 || 1 || [http://forum.bitcoin.org/index.php?topic=10127.0 1] || [http://bitclockers.com/ Link]
| [[BitClockers]]     || USA/Europe          ||   250 || [[NMC]] || PPS                     || kept by pool     ||   8% ||         || [[getwork]]
| 2011-05-27 || Diff 1                       || [http://bitcointalk.org/?topic=10127 link] || [http://bitclockers.com/ link]
|-
|-
| [[Bitcoin_Pool|Bitcoin Mining Pool]] || USA || 70 || No || Prop. || kept by pool || || 0%<ref name="donations">Donations are possible</ref> || [[getwork]] || Unknown || 1 || [http://bitcoinpool.com/forum/ 1] || [http://www.bitcoinpool.com/ Link]
| [[BitcoinPool.com]] || USA                 ||   70 || No     || Prop.                   || kept by pool     ||     ||     0% || [[getwork]]
| 2011-03-08 || Diff 1                       || [http://bitcoinpool.com/forum/ link]       || [http://www.bitcoinpool.com/ link]
|-
|-
| [[Bitcoin_Pooled_Mining|Slush's pool (mining.bitcoin.cz)]] || EU/France || 3600 || [[NMC]] || Score || shared || || 2% || [[stratum]] || 2010-11-27 || Choosable<ref name="changeable"/> || [http://forum.bitcoin.org/index.php?topic=1976.0 1] || [http://mining.bitcoin.cz/ Link]
| [[Bitcoin Pooled Mining|Slush's pool (mining.bitcoin.cz)]]
|-
|                       France               || 3600 || [[NMC]] || Score                   || shared           ||     ||     2% || [[stratum]]
| [[Bitcoins.lc]] || EU || 60 || No || Prop. || kept by pool || || 0% || [[getwork]] || 2011-05-27 || 1 || [http://forum.bitcoin.org/index.php?topic=10121.0 1] || [http://www.bitcoins.lc/ Link]
| 2010-11-27 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=1976   link] || [http://mining.bitcoin.cz/ link]
|-
|-
| [[Bitparking]] || USA || 130 || [[NMC]], I0C, IXC, [[Devcoin]] || PPS || kept by pool || 2.5% || || [[getwork]] || 2012-01-08 || Choosable<ref name="changeable"/> || [https://bitcointalk.org/index.php?topic=57148.0 1] || [http://mmpool.bitparking.com/pool Link]
| [[Bitcoins.lc]]     || EU                  ||   60 || No      || Prop.                  || kept by pool     ||     ||     0% || [[getwork]]
| 2011-05-27 || Diff 1                      || [http://bitcointalk.org/?topic=10121  link] || [http://www.bitcoins.lc/ link]
|-
|-
| [[BitMinter]] || Germany || 2000 || [[NMC]] || PPLNS || shared || || 0% || [[getwork]], [[getblocktemplate]], [[stratum]] || 2011-06-26 || 1 || [https://bitcointalk.org/index.php?topic=27062.0 1] || [https://bitminter.com Link]
| [[Bitparking]]     || USA                  ||   130 || [[NMC]], I0C, IXC, [[Devcoin]]
|                                                                   PPS                    || kept by pool    || 2.5% ||         || [[getwork]]
| 2012-01-08 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=57148  link] || [http://mmpool.bitparking.com/pool link]
|-
|-
| [[BitPenny]] || USA || 4 || No || CPPSRB || 97% shared || 3% || || BlkPrep<ref name="local">Miner-local getwork proxy available.</ref> || 2011-02-08 || 8 || [https://bitcointalk.org/index.php?topic=36371.0 1] || [http://bitpenny.com/ Link]
| [[BitMinter]]       || Germany              || 2000 || [[NMC]] || PPLNS                  || shared           ||     ||     0% || [[getwork]], [[getblocktemplate]], [[stratum]]
| 2011-06-26 || Diff 1                      || [http://bitcointalk.org/?topic=27062  link] || [https://bitminter.com link]
|-
|-
| [[BTC Canada]] || Canada || 2 || No || PPLNS || kept by pool || || 1.5% || [[getwork]] || 2012-08-08 || 1 || [https://bitcointalk.org/index.php?topic=99741.0/ 1] || [https://btccan.com/ Link]
| [[BitPenny]]       || USA                  ||     4 || No     || CPPSRB                  || shared          ||   3% ||         || BlkPrep<ref name="local"/>
| 2011-02-08 || Diff 8                      || [http://bitcointalk.org/?topic=36371  link] || [http://bitpenny.com/ link]
|-
|-
| [[BTC Guild]] || USA/CA/EU || 20000 || [[NMC]] on [[getwork]] || PPS/PPLNS || shared on PPLNS || 5% || 3% || [[getwork]], [[stratum]] || 2011-05-09 || Choosable<ref name="changeable"/>/Dynamic || [https://bitcointalk.org/index.php?topic=49417.0 1] || [https://www.btcguild.com/ Link]
| [[BTC Canada]]     || Canada              ||     2 || No      || PPLNS                   || kept by pool    ||     ||   1.5% || [[getwork]]
| 2012-08-08 || Diff 1                      || [http://bitcointalk.org/?topic=99741  link] || [https://btccan.com/ link]
|-
|-
| [[BTC Oxygen]] || EU || 70 || No || PPS || kept by pool || 2% || || [[getwork]], [[stratum]] || 2012-11-01 || 1 || [https://bitcointalk.org/index.php?topic=127815.0 1] || [http://www.btcoxygen.com/ Link]
| [[BTC Guild]]       || USA/Canada/Europe    || 20000 || [[NMC]] ([[getwork]] only)
|                                                                   PPS/PPLNS              || shared on PPLNS  ||   5% ||     3% || [[getwork]], [[stratum]]
| 2011-05-09 || User<ref name="changeable"/>/Dynamic
|                                               [http://bitcointalk.org/?topic=49417  link] || [https://www.btcguild.com/ link]
|-
|-
| [[BTCMine]] || UK || 65 || No || Score || kept by pool || || 0% || [[getwork]] || 2011-03-11 || 1 || [http://forum.bitcoin.org/index.php?topic=4251.0 1] || [http://www.btcmine.com/ Link]
| [[BTC Oxygen]]     || Europe              ||   70 || No     || PPS                    || kept by pool     ||   2% ||         || [[getwork]], [[stratum]]
| 2012-11-01 || Diff 1                       || [http://bitcointalk.org/?topic=127815 link] || [http://www.btcoxygen.com/ link]
|-
|-
| [[btcmp.com]] || Germany || 60 || No || PPS || kept by pool || 4% || || [[getwork]] || 2011-06-28 || 1 || || [http://www.btcmp.com/ Link]
| [[BTCMine]]         || UK                  ||   65 || No     || Score                  || kept by pool     ||     ||     0% || [[getwork]]
| 2011-03-11 || Diff 1                       || [http://bitcointalk.org/?topic=4251  link] || [http://www.btcmine.com/ link]
|-
|-
| [[BTCWarp]] || USA || 50 || No || Score || kept by pool || || 0% || [[getwork]] || ? || 1 || [http://www.bitcoinbalkan.com/forum 1] ||[http://www.btcwarp.com/ Link]
| [[btcmp.com]]       || Germany              ||   60 || No     || PPS                    || kept by pool     ||   4% ||         || [[getwork]]
| 2011-06-28 || Diff 1                       ||                                             || [http://www.btcmp.com/ link]
|-
|-
| [[CoinLab Protected Pool]] || USA || ? || No || PPS || kept by pool || 2-5% || || [[getwork]] || 2012-08-09 || 1 || [https://bitcointalk.org/index.php?topic=99643 1] ||[https://bitcointalk.org/index.php?topic=99643 Link]
| [[BTCWarp]]         || USA                 ||   50 || No     || Score                  || kept by pool     ||     ||     0% || [[getwork]]
| 2011-07-29 || Diff 1                       || [http://www.bitcoinbalkan.com/forum link]   || [http://www.btcwarp.com/ link]
|-
|-
| [[Coinotron|Coinotron]] || Poland || 70 || No || DGM || kept by pool || || 0% || [[getwork]] || 2011-07-06 || 1 || [http://forum.bitcoin.org/index.php?topic=26727.0 1] || [http://www.coinotron.com Link]
| [[CoinLab Protected Pool]] || USA          ||     ? || No     || PPS                    || kept by pool     || 2-5% ||         || [[getwork]]
| 2012-08-09 || Diff 1                       || [http://bitcointalk.org/?topic=99643  link] ||
|-
|-
| [[DeepBit]] || Germany || 4200 || No || PPS/Prop. || kept by pool || 10% || 3% || [[getwork]] || 2011-02-26 ||1 || [http://forum.bitcoin.org/index.php?topic=3889.0 1] || [http://deepbit.net/ Link]
| [[Coinotron]]       || Poland              ||   70 || No     || DGM                    || kept by pool     ||     ||     0% || [[getwork]]
| 2011-07-06 || Diff 1                       || [http://bitcointalk.org/?topic=26727  link] || [http://www.coinotron.com link]
|-
|-
| [[Eclipse Mining Consortium]] || USA/EU/AU/Asia || 1900 || No || DGM/PPS || kept by pool || 5% || 0% || [[getwork]], [[getblocktemplate]] || 2011-06-14 || 1/Choosable<ref name="changeable"/>/Dynamic || [http://forum.bitcoin.org/index.php?topic=16385.0 1] || [https://eclipsemc.com Link]
| [[DeepBit]]         || Germany              || 4200 || No     || PPS/Prop.              || kept by pool     || 10% ||     3% || [[getwork]]
| 2011-02-26 || Diff 1                       || [http://bitcointalk.org/?topic=3889  link] || [http://deepbit.net/ link]
|-
|-
| [[Eligius]] || Germany || 5000 || No || CPPSRB || kept by pool || 0%<ref name="donations">Donations are possible</ref> || || [[getblocktemplate]], [[stratum]], getmemorypool, [[getwork]] || 2011-04-27 || Dynamic, targetting 32 shares/min || [https://bitcointalk.org/index.php?topic=23768.msg298069#msg298069 1] || [http://eligius.st Link]
| [[Eclipse Mining Consortium]]
|                   USA/Europe/Australia/Asia || 1900 || No     || DGM/PPS                || kept by pool     ||   5% ||     0% || [[getwork]], [[getblocktemplate]]
| 2011-06-14 || User<ref name="changeable"/>/Dynamic
|                                               [http://bitcointalk.org/?topic=16385  link] || [https://eclipsemc.com link]
|-
|-
| [[Horrible Horrendous TT]] || USA || 15 || No || PPS<ref name="stales">Pool also rewards stale shares</ref> || kept by pool || 1% || || [[getwork]] || 2012-08-29 || Choosable<ref name="changeable">The difficulty of the shares can be changed by the user.</ref> || [https://bitcointalk.org/index.php?topic=95378.0 1] || [http://hhtt.1209k.com/ Link]
| [[Eligius]]         || Germany              || 5000 || No     || CPPSRB                  || kept by pool     ||   0% ||         || [[getblocktemplate]], [[stratum]], getmemorypool, [[getwork]]
| 2011-04-27 || Dynamic: 32 shares/m        || [http://bitcointalk.org/?topic=23768  link] || [http://eligius.st link]
|-
|-
| [[Mining Team Reddit (MtRed)]] || USA/EU || 650 || [[NMC]] || PPS<ref name="stales">Pool also rewards stale shares</ref> || shared || 0% || || [[getwork]] || 2011-05-25 || 1 || [http://forum.bitcoin.org/index.php?topic=15929.0 1] [http://reddit.com/r/mtred/ 2] || [http://www.mtred.com/ Link]
| [[Horrible Horrendous TT]] || USA           ||   15 || No      || PPS<ref name="stales"/> || kept by pool    ||   1% ||         || [[getwork]]
| 2012-08-29 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=95378  link] || [http://hhtt.1209k.com/ link]
|-
|-
| [[MaxBTC]] || USA || 220 || [[NMC]] || DGM || kept by pool || || 0% || [[getwork]] || 2012-03-15 || 1 || [https://bitcointalk.org/index.php?topic=68734.0 1] || [https://www.maxbtc.com/ Link]
| [[Mining Team Reddit (MtRed)]]|| USA/Europe ||   650 || [[NMC]] || PPS<ref name="stales"/> || shared          ||   0% ||         || [[getwork]]
| 2011-05-25 || Diff 1                       || [http://bitcointalk.org/?topic=15929 1] [http://reddit.com/r/mtred/ 2] || [http://www.mtred.com/ link]
|-
|-
| [[NMCBit]] || USA || 20 || [[NMC]] || PPS/Prop. || kept by pool || 6.6% || 3% || [[getwork]] || 2011-08-01 || 1 || [https://bitcointalk.org/index.php?topic=33612.0 1] [http://dot-bit.org/forum/viewtopic.php?f=6&t=268 2] || [http://www.nmcbit.com/ Link]
| [[MaxBTC]]         || USA                 ||   220 || [[NMC]] || DGM                    || kept by pool     ||     ||     0% || [[getwork]]
| 2012-03-15 || Diff 1                       || [http://bitcointalk.org/?topic=68734  link] || [https://www.maxbtc.com/ link]
|-
|-
| [[Ozco.in]] || USA/EU/AUS || 5000 || [[NMC]] on DGM || DGM/PoT/PPS || shared on DGM || 3% || 1%/2% || [[stratum]], [[getwork]] || 2011-06-07 || Choosable/Dynamic || [https://bitcointalk.org/index.php?topic=14085.0 1] || [https://www.ozcoin.net Link]
| [[NMCBit]]         || USA                 ||   20 || [[NMC]] || PPS/Prop.              || kept by pool    || 6.6% ||     3% || [[getwork]]
| 2011-08-01 || Diff 1                      || [http://dot-bit.org/forum/viewtopic.php?f=6&t=268 link] || [http://www.nmcbit.com/ link]
|-
|-
| [[P2Pool]] || Earth (P2P) || 300 || Solo Mining<ref>P2Pool supports merged mining but payouts in the merged chain are not pooled.</ref> || PPLNS || shared || || 0%<ref>People are donating ''to'' P2Pool miners to encourage people to use it. The P2Pool author also accepts optional donations.</ref> || Proprietary<ref name="local"/> || 2011-06-17 || Choosable<ref name="changeable"/> || [http://forum.bitcoin.org/index.php?topic=18313.0 1] || [https://en.bitcoin.it/wiki/P2Pool Link]
| [[Ozco.in]]         || USA/Europe/Australia || 5000 || [[NMC]] on DGM || DGM/PoT/PPS      || shared on DGM    ||   3% ||   1%/2% || [[stratum]], [[getwork]]
| 2011-06-07 || User<ref name="changeable"/>/Dynamic
|                                               [http://bitcointalk.org/?topic=14085  link] || [https://www.ozcoin.net link]
|-
|-
| [[pool.itzod.ru]] || Russia || 450 || No || RSMPPS || shared || 0% || || [[getwork]], [[getblocktemplate]], [[stratum]] || 2011-08-01 || Choosable<ref name="changeable"/> || [https://bitcointalk.org/index.php?topic=25127.0 1] [https://bitcointalk.org/index.php?topic=44024.0 2] || [https://pool.itzod.ru/ Link]
| [[P2Pool]]         || Earth (P2P)          ||   300 || Solo<ref name="solomm"/> || PPLNS  || shared           ||      ||     0% || Proprietary<ref name="local"/>
|-  
| 2011-06-17 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=18313 link] ||
| [[PolMine]] || Poland || 160 || No || SMPPS || shared || 1% ||  || [[getwork]], [[getblocktemplate]] || 2011-06-13 || 1 || [http://forum.polmine.pl/ 1] || [https://polmine.pl/?setlang=en Link]
|-
|-
| [[Triplemining]] || EU || 100 || No || PPLNS || kept by pool || || 0% <ref name="jackpot">Triplemining keeps 1% to redistribute using a weekly jackpot and affiliations</ref> || [[getwork]], [[getblocktemplate]], [[stratum]] || 2011-06-28 || 1 for getwork/GBT, dynamic for stratum || [http://forum.bitcoin.org/index.php?topic=23664.0 1] || [https://www.triplemining.com Link]
| [[pool.itzod.ru]]   || Russia              ||   450 || No     || RSMPPS                  || shared          ||   0% ||         || [[getwork]], [[getblocktemplate]], [[stratum]]
| 2011-08-01 || User<ref name="changeable"/> || [http://bitcointalk.org/?topic=25127 RU] [https://bitcointalk.org/index.php?topic=44024.0 EN] || [https://pool.itzod.ru/ link]
|-
|-
| [[pool.mkalinin.ru]] || Russia || 27 || No || PPLNS || kept by pool || || 0% || [[getwork]] || 2011-07-20 || 1 || [https://bitcointalk.org/index.php?topic=30703.0 1] || [http://pool.mkalinin.ru/ Link]
| [[PolMine]]         || Poland              ||   160 || No     || SMPPS                  || shared          ||   1% ||         || [[getwork]], [[getblocktemplate]]
| 2011-06-13 || Diff 1                       || [http://forum.polmine.pl/ link]             || [https://polmine.pl/?setlang=en link]
|-
|-
| [[btc.p2pcoins.net]] || Russia || 100 || No || PPS || kept by pool || 3% || || [[getwork]], [[getblocktemplate]] || 2012-12-20 || 2 || [https://bitcointalk.org/index.php?topic=133247.0 1] || [http://btc.p2pcoins.net/ Link]
| [[Triplemining]]   || Europe              ||   100 || No     || PPLNS                  || kept by pool     ||     || 0%<ref name="jackpot"/> || [[getwork]], [[getblocktemplate]], [[stratum]]
| 2011-06-28 || Diff 1 for getwork/GBT, dynamic for stratum
|                                               [http://bitcointalk.org/?topic=23664  link] || [https://www.triplemining.com link]
|-
|-
| [[alvarez.sfek.kz]] || Kazakhstan || 3.7 || No || PPLNS || kept by pool || || 0% || [[getwork]] || 2012-04-19 || 1 || [https://bitcointalk.org/index.php?topic=80135.0 1] || [http://alvarez.sfek.kz/ Link]
| [[pool.mkalinin.ru]] || Russia              ||    27 || No      || PPLNS                  || kept by pool    ||      ||      0% || [[getwork]]
| 2011-07-20 || Diff 1                      || [http://bitcointalk.org/?topic=30703  link] || [http://pool.mkalinin.ru/ link]
|-
| [[btc.p2pcoins.net]] || Russia              ||  100 || No      || PPS                    || kept by pool    ||  3% ||        || [[getwork]], [[getblocktemplate]]
| 2012-12-20 || Diff 2                      || [http://bitcointalk.org/?topic=133247 link] || [http://btc.p2pcoins.net/ link]
|-
| [[alvarez.sfek.kz]] || Kazakhstan         ||     4 || No     || PPLNS                   || kept by pool     ||     ||     0% || [[getwork]]
| 2012-04-19 || Diff 1                       || [http://bitcointalk.org/?topic=80135 link] || [http://alvarez.sfek.kz/ link]
|}
|}
<references/>
<references>
<ref name="hashrate2">Note that pool hashrate is largely irrelevant but can be seen as a popularity measurement. Note however that it is a theoretical security issue if one pool gains above 50% of the total computational power of the network, thus consider joining a pool based on other metrics.</ref>
<ref name="merged">Merged mining allows miners to mine on multiple [[block chains]] at the same time with the same hashing.</ref>
 
<ref name="stales">Pool also rewards stale shares</ref>
<ref name="donations">Donations are possible</ref>
<ref name="local">Miner-local getwork proxy available.</ref>
<ref name="changeable">The difficulty of the shares can be changed by the user.</ref>
<ref name="solomm">Merged mining can be done on a "solo mining" basis (payouts in the merged chain are not pooled).</ref>
 
<ref name="jackpot">Triplemining keeps 1% to redistribute using a weekly jackpot and affiliations</ref>
</references>


== See also ==
== See also ==

Revision as of 18:49, 1 April 2013

Reward types & explanation:

  • DGM - Double Geometric Method. A hybrid between PPLNS and Geometric reward types that enables to operator to absorb some of the variance risk. Operator receives portion of payout on short rounds and returns it on longer rounds to normalize payments. [1]
  • Prop. - Proportional. When block is found, the reward is distributed among all workers proportionally to how much shares each of them has found.
  • PPLNS - Pay Per Last N Shasres. Similar to proportional, but instead of looking at the number of shares in the round, instead looks at the last N shares, regardless of round boundaries.
  • PPS - Pay Per Share. Each submitted share is worth certain amount of BC. Since finding a block requires <current difficulty> shares on average, a PPS method with 0% fee would be 25 BTC divided by <current difficulty>. It is risky for pool operators, hence the fee is highest.
  • SMPPS - Shared Maximum Pay Per Share. Like Pay Per Share, but never pays more than the pool earns. [2]
  • ESMPPS - Equalized Shared Maximum Pay Per Share. Like SMPPS, but equalizes payments fairly among all those who are owed. [3]
  • RSMPPS - Recent Shared Maximum Pay Per Share. Like SMPPS, but system aims to prioritize the most recent miners first. [4]
  • CPPSRB - Capped Pay Per Share with Recent Backpay. [5]
  • POT - Pay On Target. A high variance PPS variant that pays on the difficulty of work retuened to pool rather than the difficulty of work served by pool [6]
  • Score - Score based system: a proportional reward, but weighed by time submitted. Each submitted share is worth more in the function of time t since start of current round. For each share score is updated by: score += exp(t/C). This makes later shares worth much more than earlier shares, thus the miner's score quickly diminishes when they stop mining on the pool. Rewards are calculated proportionally to scores (and not to shares). (at slush's pool C=300 seconds, and every hour scores are normalized)

Visual examples of the various payout methods

Name Location GH/s[1] Merged Mining[2] Reward Type Transaction fees PPS Fee Other Fee Protocol Launched Variance Forum Website
50BTC Germany/USA/Russia 8000 No PPS[3] kept by pool 3% getwork, stratum 2011-11-11 User[4] link link
ABCPool.co USA 600 No PPS[3] kept by pool 5% getwork 2011-08-02 Diff 1 link link
BitArena Romania 1 No Prop. kept by pool 0% getblocktemplate 2012-09-22 Diff 1 link link
Bitcash.cz Czech Republic 5 No Prop. kept by pool 0% getwork 2012-09-14 Diff 1 link link
BitClockers USA/Europe 250 NMC PPS kept by pool 8% getwork 2011-05-27 Diff 1 link link
BitcoinPool.com USA 70 No Prop. kept by pool 0% getwork 2011-03-08 Diff 1 link link
Slush's pool (mining.bitcoin.cz) France 3600 NMC Score shared 2% stratum 2010-11-27 User[4] link link
Bitcoins.lc EU 60 No Prop. kept by pool 0% getwork 2011-05-27 Diff 1 link link
Bitparking USA 130 NMC, I0C, IXC, Devcoin PPS kept by pool 2.5% getwork 2012-01-08 User[4] link link
BitMinter Germany 2000 NMC PPLNS shared 0% getwork, getblocktemplate, stratum 2011-06-26 Diff 1 link link
BitPenny USA 4 No CPPSRB shared 3% BlkPrep[5] 2011-02-08 Diff 8 link link
BTC Canada Canada 2 No PPLNS kept by pool 1.5% getwork 2012-08-08 Diff 1 link link
BTC Guild USA/Canada/Europe 20000 NMC (getwork only) PPS/PPLNS shared on PPLNS 5% 3% getwork, stratum 2011-05-09 User[4]/Dynamic link link
BTC Oxygen Europe 70 No PPS kept by pool 2% getwork, stratum 2012-11-01 Diff 1 link link
BTCMine UK 65 No Score kept by pool 0% getwork 2011-03-11 Diff 1 link link
btcmp.com Germany 60 No PPS kept by pool 4% getwork 2011-06-28 Diff 1 link
BTCWarp USA 50 No Score kept by pool 0% getwork 2011-07-29 Diff 1 link link
CoinLab Protected Pool USA ? No PPS kept by pool 2-5% getwork 2012-08-09 Diff 1 link
Coinotron Poland 70 No DGM kept by pool 0% getwork 2011-07-06 Diff 1 link link
DeepBit Germany 4200 No PPS/Prop. kept by pool 10% 3% getwork 2011-02-26 Diff 1 link link
Eclipse Mining Consortium USA/Europe/Australia/Asia 1900 No DGM/PPS kept by pool 5% 0% getwork, getblocktemplate 2011-06-14 User[4]/Dynamic link link
Eligius Germany 5000 No CPPSRB kept by pool 0% getblocktemplate, stratum, getmemorypool, getwork 2011-04-27 Dynamic: 32 shares/m link link
Horrible Horrendous TT USA 15 No PPS[3] kept by pool 1% getwork 2012-08-29 User[4] link link
Mining Team Reddit (MtRed) USA/Europe 650 NMC PPS[3] shared 0% getwork 2011-05-25 Diff 1 1 2 link
MaxBTC USA 220 NMC DGM kept by pool 0% getwork 2012-03-15 Diff 1 link link
NMCBit USA 20 NMC PPS/Prop. kept by pool 6.6% 3% getwork 2011-08-01 Diff 1 link link
Ozco.in USA/Europe/Australia 5000 NMC on DGM DGM/PoT/PPS shared on DGM 3% 1%/2% stratum, getwork 2011-06-07 User[4]/Dynamic link link
P2Pool Earth (P2P) 300 Solo[6] PPLNS shared 0% Proprietary[5] 2011-06-17 User[4] link
pool.itzod.ru Russia 450 No RSMPPS shared 0% getwork, getblocktemplate, stratum 2011-08-01 User[4] RU EN link
PolMine Poland 160 No SMPPS shared 1% getwork, getblocktemplate 2011-06-13 Diff 1 link link
Triplemining Europe 100 No PPLNS kept by pool 0%[7] getwork, getblocktemplate, stratum 2011-06-28 Diff 1 for getwork/GBT, dynamic for stratum link link
pool.mkalinin.ru Russia 27 No PPLNS kept by pool 0% getwork 2011-07-20 Diff 1 link link
btc.p2pcoins.net Russia 100 No PPS kept by pool 3% getwork, getblocktemplate 2012-12-20 Diff 2 link link
alvarez.sfek.kz Kazakhstan 4 No PPLNS kept by pool 0% getwork 2012-04-19 Diff 1 link link
  1. ↑ Note that pool hashrate is largely irrelevant but can be seen as a popularity measurement. Note however that it is a theoretical security issue if one pool gains above 50% of the total computational power of the network, thus consider joining a pool based on other metrics.
  2. ↑ Merged mining allows miners to mine on multiple block chains at the same time with the same hashing.
  3. ↑ 3.0 3.1 3.2 3.3 Pool also rewards stale shares
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 The difficulty of the shares can be changed by the user.
  5. ↑ 5.0 5.1 Miner-local getwork proxy available.
  6. ↑ Merged mining can be done on a "solo mining" basis (payouts in the merged chain are not pooled).
  7. ↑ Triplemining keeps 1% to redistribute using a weekly jackpot and affiliations

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See also

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