Comparison of mining pools: Difference between revisions

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Revert back to Revision as of 21:22, 29 September 2012 - please discuss major restructures first: this one seems to do nothing but make all sorting except reward system impossible
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==Reward Types==
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. [https://bitcointalk.org/index.php?topic=39497.0]
* '''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. [https://bitcointalk.org/index.php?topic=39497.0]
* '''Prop.''' - Proportional. When block is found, the reward is distributed among all workers proportionally to how much shares each of them has found.
* '''Prop.''' - Proportional. When block is found, the reward is distributed among all workers proportionally to how much shares each of them has found.
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* '''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)
* '''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)
[http://eligius.st/~luke-jr/samples/800MH-3/ Visual examples of the various payout methods]
[http://eligius.st/~luke-jr/samples/800MH-3/ Visual examples of the various payout methods]
==Table Explanations==
* '''GH/s''' - Conjoined hashrate of everyone mining at the pool. 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.
* '''Merged Mining''' - Merged mining allows miners to mine on multiple block chains at the same time with the same hashing, at no cost to the miner.
* '''Transaction fees''' - What happens to the transaction fees. Transaction fees are a voluntary fee which can be added to a transaction which is used as an incentive to add the bitcoin transaction to a block. The fee determines the likelihood and of inclusion in any given block. Some pools keep them, some distribute them among miners, some may do other things with them.
* '''Reward Fee''' - The percent of your reward the pool keeps for itself, usually to help pay server costs and to reward the pool maintainer(s).
* '''Difficulty''' - The share difficulty the pool uses. Most pools use a default difficulty of 1. Some pools allow you to select your own difficulty, useful for larger miners. Some pools use a dynamic difficulty that changes to be perfect for your own hashrate.
* '''Pays Orphans''' - An orphan block is a block that is not in the currently-longest block chain. The pool receives nothing from a orphan, but some pools pay you out of their pocket when an orphan block is mined.
* '''Pays Stales (PPS)''' - Some pools pay stale shares, some don't. A stale is no longer valid because there is a new block on the network. High stales are the fault of the pool usually, so some pools pay for them too.
==DGM Pools==


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Pays Orphans !! Forum !! Website
! 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
|-
|-
| [[Coinotron|Coinotron]] || Poland || 70 || No || kept by pool || 0% || [[getwork]] || 2011-07-06 || 1 || No || [http://forum.bitcoin.org/index.php?topic=26727.0 1] || [http://www.coinotron.com Link]
| [[50BTC]] || Germany || 3200 || No || PPS<ref name="stales">Pool also rewards stale shares</ref> || kept by pool ||3% || || [[getwork]] || 2011-11-11 || 1 || [http://bitcointalk.org/index.php?topic=54673.0 1] || [http://50btc.com/ Link]
|-
|-
| [[Eclipse Mining Consortium]] || USA/EU/AU/Asia || 2000 || [[NMC]] || kept by pool || 0% || [[getwork]], [[getblocktemplate]] || 2011-06-14 || Choosable/Dynamic || No || [http://forum.bitcoin.org/index.php?topic=16385.0 1] || [https://eclipsemc.com Link]
| [[BitArena]] || EU || 1 || No || Prop. || kept by pool || || 0% || [[getblocktemplate]] || ? || 1 || [https://bitcointalk.org/index.php?topic=112243.0 1] ||[https://www.bitarena.net/ Link]
|-
|-
| [[MaxBTC]] || USA || 220 || [[NMC]] || kept by pool || 0% || [[getwork]] || 2012-03-15 || 1 || w/ 3.5% Donation || [https://bitcointalk.org/index.php?topic=68734.0 1] || [https://www.maxbtc.com/ Link]
| [[Bitcash.cz|Bitcash.cz]] || Czech Republic || 5 || No || Prop. || kept by pool ||  || 0% || [[getwork]] || 2012-09-14 || 1 || [http://bitcash.cz/forum/ 1] ||  
[http://bitcash.cz/pool/ Link]
|-
|-
| [[Ozco.in]] || USA/EU/AUS || 750 || [[NMC]] || shared || 2% || [[getwork]] || 2011-06-07 || 1 || w/ 2% Donation || [https://bitcointalk.org/index.php?topic=14085.0 1] || [https://www.ozcoin.net 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]
|}
<references/>
 
==*MPPS Pools==
 
{| class="wikitable sortable"
|-
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Pays Orphans !! Forum !! Website
| [[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]
|-
|-
| [[Eligius]] || Germany || 300 || [[NMC]] || kept by pool || 0% || [[getwork]], [[getblocktemplate]]<ref name="local">Miner-local getwork proxy available.</ref> || 2011-04-27 || 1 || Yes || [https://bitcointalk.org/index.php?topic=23768.msg298069#msg298069 1] || [http://eligius.st Link]
| [[Bitcoin_Pooled_Mining|Slush's pool (mining.bitcoin.cz)]] || EU/France || 1600 || [[NMC]] || Score || kept by pool || || 2% || [[getwork]], [http://mining.bitcoin.cz/stratum-mining stratum] || 2010-11-27 || Dynamic || [http://forum.bitcoin.org/index.php?topic=1976.0 1] || [http://mining.bitcoin.cz/ Link]
|-  
| [[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]
|-
|-
| [[pool.itzod.ru]] || Russia || 360 || Converted to BTC || shared || 0% || [[getwork]] || 2011-08-01 || 1 || Yes || [https://bitcointalk.org/index.php?topic=25127.0 1] [https://bitcointalk.org/index.php?topic=44024.0 2] || [https://pool.itzod.ru/ 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]
|-
| [[PolMine]] || Poland || 160 || No || shared || 1% || [[getwork]] || 2011-06-13 || 1 || Yes || [http://forum.polmine.pl/ 1] || [https://polmine.pl/?setlang=en Link]
|}
<references/>
 
==PPLNS==
 
{| class="wikitable sortable"
|-
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Pays Orphans !! Forum !! Website
| [[BitMinter]] || Germany || 1100 || [[NMC]] || PPLNS || shared || || 0% || [[getwork]] || 2011-06-26 || 1 || [https://bitcointalk.org/index.php?topic=27062.0 1] || [https://bitminter.com Link]
|-
|-
| [[BitMinter]] || Germany || 1100 || [[NMC]] || shared || 0% || [[getwork]] || 2011-06-26 || 1 || /w 1% Donation || [https://bitcointalk.org/index.php?topic=27062.0 1] || [https://bitminter.com 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]
|-
|-
| [[BTC Canada]] || Canada || 2 || No || kept by pool || 1.5% || [[getwork]] || 2012-08-08 || 1 || No ||[https://bitcointalk.org/index.php?topic=99741.0/ 1] || [https://btccan.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]
|-
|-
| [[P2Pool]] || Earth (P2P) || 300 || Solo Mining<ref>P2Pool supports merged mining but payouts in the merged chain are not pooled.</ref> || 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">Miner-local getwork proxy available.</ref> || 2011-06-17 || Choosable || No || [http://forum.bitcoin.org/index.php?topic=18313.0 1] || [https://en.bitcoin.it/wiki/P2Pool Link]
| [[BTC Guild]] || USA/EU || 2300 || [[NMC]] || PPS || kept by pool || 5% || || [[getwork]], [http://mining.bitcoin.cz/stratum-mining stratum] || 2011-05-09 || Choosable<ref name="changeable"/> || [http://forum.bitcoin.org/index.php?topic=7760.0 1] || [http://www.btcguild.com/ Link]
|-
|-
| [[Triplemining]] || EU || 90 || No || kept by pool || 0% || [[getwork]], getmemorypool<ref name="local"/> || 2011-06-28 || 1 || No || [http://forum.bitcoin.org/index.php?topic=23664.0 1] || [http://tinyurl.com/triplemining 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]
|-
|-
| [[pool.mkalinin.ru]] || Russia || 70 || No || kept by pool || 0% || [[getwork]] || 2011-07-20 || 1 || No || [https://bitcointalk.org/index.php?topic=30703.0 1] || [http://pool.mkalinin.ru/ Link]
| [[btcmp.com]] || Germany || 60 || No || PPS || kept by pool || 4% || || [[getwork]] || 2011-06-28 || 1 || || [http://www.btcmp.com/ Link]
|-
|-
| [[alvarez.sfek.kz]] || Kazakhstan || 4 || No || kept by pool || 0% || [[getwork]] || 2012-04-19 || 1 || No || [https://bitcointalk.org/index.php?topic=80135.0 1] || [http://alvarez.sfek.kz/ Link]
| [[BTCWarp]] || USA || 50 || No || Score || kept by pool || || 0% || [[getwork]] || ? || 1 || [http://www.bitcoinbalkan.com/forum 1] ||[http://www.btcwarp.com/ Link]
|}
<references/>
 
==PPS Pools==
 
{| class="wikitable sortable"
|-
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Pays Orphans !! Pays Stales !! Forum !! Website
| [[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]
|-
|-
| [[50BTC]] || Germany || 3200 || No || kept by pool ||3% || [[getwork]] || 2011-11-11 || 1 || Yes || Yes || [http://bitcointalk.org/index.php?topic=54673.0 1] || [http://50btc.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]
|-
|-
| [[Bitclockers|BitClockers]] || USA/EU || 250 || [[NMC]] || kept by pool || 8% || [[getwork]] || 2011-05-27 || 1 || Yes || No || [http://forum.bitcoin.org/index.php?topic=10127.0 1] || [http://bitclockers.com/ 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]
|-
|-
| [[Bitparking]] || USA || 130 || [[NMC]], I0C, IXC, [[Devcoin]] || kept by pool || 2.5% || [[getwork]] || 2012-01-08 || Choosable || Yes || No || [https://bitcointalk.org/index.php?topic=57148.0 1] || [http://mmpool.bitparking.com/pool Link]
| [[Eclipse Mining Consortium]] || USA/EU/AU/Asia || 1900 || [[NMC]] || 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]
|-
|-
| [[BTC Guild]] || USA/EU || 2300 || [[NMC]] || kept by pool || 5% || [[getwork]], [http://mining.bitcoin.cz/stratum-mining stratum] || 2011-05-09 || Choosable || Yes || No || [http://forum.bitcoin.org/index.php?topic=7760.0 1] || [http://www.btcguild.com/ Link]
| [[Eligius]] || Germany || 300 || [[NMC]] || SMPPS || kept by pool || 0%<ref name="donations">Donations are possible</ref> || || [[getwork]], [[getblocktemplate]]<ref name="local"/> || 2011-04-27 || 1 || [https://bitcointalk.org/index.php?topic=23768.msg298069#msg298069 1] || [http://eligius.st Link]
|-
|-
| [[btcmp.com]] || Germany || 60 || No || kept by pool || 4% || [[getwork]] || 2011-06-28 || 1 || Yes || No ||  || [http://www.btcmp.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]
|-
|-
| [[CoinLab Protected Pool]] || USA || ? || No || kept by pool || 2-5% || [[getwork]] || 2012-08-09 || 1 || Yes || Yes || [https://bitcointalk.org/index.php?topic=99643 1] ||[https://bitcointalk.org/index.php?topic=99643 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]
|-
|-
| [[DeepBit|DeepBitPPS]] || Germany || 4200 || No || kept by pool || 10% || [[getwork]] || 2011-02-26 || 1 || Yes || No || [http://forum.bitcoin.org/index.php?topic=3889.0 1] || [http://deepbit.net/ 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]
|-
|-
| [[Eclipse Mining Consortium|Eclipse Mining Consortium PPS]] || USA/EU/AU/Asia || 1900 || [[NMC]] || kept by pool || 5% || [[getwork]], [[getblocktemplate]] || 2011-06-14 || Choosable/Dynamic || Yes || No || [http://forum.bitcoin.org/index.php?topic=16385.0 1] || [https://eclipsemc.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]
|-
|-
| [[Horrible Horrendous TT]] || USA || 15 || No || kept by pool || 1% || [[getwork]] || 2012-08-29 || Choosable || Yes || Yes || [https://bitcointalk.org/index.php?topic=95378.0 1] || [http://hhtt.1209k.com/ Link]
| [[Ozco.in]] || USA/EU/AUS || 750 || [[NMC]] on DGM || DGM/PPS || shared on DGM || 4% || 2% || [[getwork]] || 2011-06-07 || 1 || [https://bitcointalk.org/index.php?topic=14085.0 1] || [https://www.ozcoin.net Link]
|-
|-
| [[Mining Team Reddit (MtRed)]] || USA/EU || 650 || [[NMC]] || shared || 0% || [[getwork]] || 2011-05-25 || 1 || Yes || Yes || [http://forum.bitcoin.org/index.php?topic=15929.0 1] [http://reddit.com/r/mtred/ 2] || [http://www.mtred.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]
|-
|-
| [[NMCBit|NMCBitPPS]] || USA || 20 || [[NMC]] || kept by pool || 6.6% || [[getwork]] || 2011-08-01 || 1 || Yes || No || [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]
| [[pool.itzod.ru]] || Russia || 360 || Converted to BTC || RSMPPS || shared || 0% ||  || [[getwork]] || 2011-08-01 || 1 || [https://bitcointalk.org/index.php?topic=25127.0 1] [https://bitcointalk.org/index.php?topic=44024.0 2] || [https://pool.itzod.ru/ Link]
|-
| [[PolMine]] || Poland || 160 || No || SMPPS || shared || 1% ||  || [[getwork]] || 2011-06-13 || 1 || [http://forum.polmine.pl/ 1] || [https://polmine.pl/?setlang=en Link]
|-
|-
| [[Ozco.in|Ozco.in PPS]] || USA/EU/AUS || 750 || [[NMC]] || shared || 4% || [[getwork]] || 2011-06-07 || 1 || Yes || No || [https://bitcointalk.org/index.php?topic=14085.0 1] || [https://www.ozcoin.net Link]
| [[Triplemining]] || EU || 90 || No || PPLNS || kept by pool || || 0% <ref name="jackpot">Triplemining keeps 1% to redistribute using a weekly jackpot and affiliations</ref> || [[getwork]], getmemorypool<ref name="local"/> || 2011-06-28 || 1 || [http://forum.bitcoin.org/index.php?topic=23664.0 1] || [http://tinyurl.com/triplemining Link]
|}
<references/>
 
==Proportional Pools==
 
{| class="wikitable sortable"
|-
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Pays Orphans !! Forum !! Website
| [[pool.mkalinin.ru]] || Russia || 70 || 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]
|-
| [[BitArena]] || EU || 1 || No || kept by pool || 0% || [[getblocktemplate]] || ? || 1 || No || [https://bitcointalk.org/index.php?topic=112243.0 1] ||[https://www.bitarena.net/ Link]
|-
| [[Bitcash.cz|Bitcash.cz]] || Czech Republic || 5 || No || kept by pool || 0% || [[getwork]] || 2012-09-14 || 1 || No || [http://bitcash.cz/forum/ 1] ||
[http://bitcash.cz/pool/ Link]
|-
| [[Bitcoin_Pool|Bitcoin Mining Pool]] || USA || 70 || No || kept by pool || 0% || [[getwork]] || Unknown || 1 || No || [http://bitcoinpool.com/forum/ 1] || [http://www.bitcoinpool.com/ Link]
|-
| [[Bitcoins.lc]] || EU || 60 || No || kept by pool || 0% || [[getwork]] || 2011-05-27 || 1 || Yes || [http://forum.bitcoin.org/index.php?topic=10121.0 1] || [http://www.bitcoins.lc/ Link]
|-
| [[DeepBit]] || Germany || 4200 || No || kept by pool || 3% || [[getwork]] || 2011-02-26 || 1 || Yes || [http://forum.bitcoin.org/index.php?topic=3889.0 1] || [http://deepbit.net/ Link]
|-
| [[NMCBit]] || USA || 20 || [[NMC]] || kept by pool || 3% || [[getwork]] || 2011-08-01 || 1 || No || [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]
|}
<references/>
 
==Score Based Pools==
 
{| class="wikitable sortable"
|-
! Name !! Location !! GH/s !! Merged Mining !! Transaction fees !! Reward Fee !! Protocol !! Launched !! Difficulty !! Forum !! Website
|-
| [[Bitcoin_Pooled_Mining|Slush's pool (mining.bitcoin.cz)]] || EU/France || 1600 || [[NMC]] || kept by pool || 2% || [[getwork]], [http://mining.bitcoin.cz/stratum-mining stratum] || 2010-11-27 || Dynamic || No || [http://forum.bitcoin.org/index.php?topic=1976.0 1] || [http://mining.bitcoin.cz/ Link]
|-
| [[BTCMine]] || UK || 65 || No || kept by pool || 0% || [[getwork]] || 2011-03-11 || 1 || No || [http://forum.bitcoin.org/index.php?topic=4251.0 1] || [http://www.btcmine.com/ Link]
|-
|-
| [[BTCWarp]] || USA || 50 || No || kept by pool || 0% || [[getwork]] || ? || 1 || No || [http://www.bitcoinbalkan.com/forum 1] ||[http://www.btcwarp.com/ Link]
| [[alvarez.sfek.kz]] || Kazakhstan || 3 || 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]
|}
|}
<references/>
<references/>


==See also==
== See also ==
*[[Pooled mining]]
*[[Pooled mining]]
*[http://bcx.me/ Bitcoin Mining Pool Tracker]
*[http://bcx.me/ Bitcoin Mining Pool Tracker]

Revision as of 08:28, 30 September 2012

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 Shares. 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 50 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.
  • 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 Reward Fee Protocol Launched Difficulty[3] Forum Website
50BTC Germany 3200 No PPS[4] kept by pool 3% getwork 2011-11-11 1 1 Link
BitArena EU 1 No Prop. kept by pool 0% getblocktemplate ? 1 1 Link
Bitcash.cz Czech Republic 5 No Prop. kept by pool 0% getwork 2012-09-14 1 1

Link

BitClockers USA/EU 250 NMC PPS kept by pool 8% getwork 2011-05-27 1 1 Link
Bitcoin Mining Pool USA 70 No Prop. kept by pool 0%[5] getwork Unknown 1 1 Link
Slush's pool (mining.bitcoin.cz) EU/France 1600 NMC Score kept by pool 2% getwork, stratum 2010-11-27 Dynamic 1 Link
Bitcoins.lc EU 60 No Prop. kept by pool 0% getwork 2011-05-27 1 1 Link
Bitparking USA 130 NMC, I0C, IXC, Devcoin PPS kept by pool 2.5% getwork 2012-01-08 Choosable[6] 1 Link
BitMinter Germany 1100 NMC PPLNS shared 0% getwork 2011-06-26 1 1 Link
BitPenny USA 4 No CPPSRB 97% shared 3% BlkPrep[7] 2011-02-08 8 1 Link
BTC Canada Canada 2 No PPLNS kept by pool 1.5% getwork 2012-08-08 1 1 Link
BTC Guild USA/EU 2300 NMC PPS kept by pool 5% getwork, stratum 2011-05-09 Choosable[6] 1 Link
BTCMine UK 65 No Score kept by pool 0% getwork 2011-03-11 1 1 Link
btcmp.com Germany 60 No PPS kept by pool 4% getwork 2011-06-28 1 Link
BTCWarp USA 50 No Score kept by pool 0% getwork ? 1 1 Link
CoinLab Protected Pool USA ? No PPS kept by pool 2-5% getwork 2012-08-09 1 1 Link
Coinotron Poland 70 No DGM kept by pool 0% getwork 2011-07-06 1 1 Link
DeepBit Germany 4200 No PPS/Prop. kept by pool 10% 3% getwork 2011-02-26 1 1 Link
Eclipse Mining Consortium USA/EU/AU/Asia 1900 NMC DGM/PPS kept by pool 5% 0% getwork, getblocktemplate 2011-06-14 1/Choosable[6]/Dynamic 1 Link
Eligius Germany 300 NMC SMPPS kept by pool 0%[5] getwork, getblocktemplate[7] 2011-04-27 1 1 Link
Horrible Horrendous TT USA 15 No PPS[4] kept by pool 1% getwork 2012-08-29 Choosable[6] 1 Link
Mining Team Reddit (MtRed) USA/EU 650 NMC PPS[4] shared 0% getwork 2011-05-25 1 1 2 Link
MaxBTC USA 220 NMC DGM kept by pool 0% getwork 2012-03-15 1 1 Link
NMCBit USA 20 NMC PPS/Prop. kept by pool 6.6% 3% getwork 2011-08-01 1 1 2 Link
Ozco.in USA/EU/AUS 750 NMC on DGM DGM/PPS shared on DGM 4% 2% getwork 2011-06-07 1 1 Link
P2Pool Earth (P2P) 300 Solo Mining[8] PPLNS shared 0%[9] Proprietary[7] 2011-06-17 Choosable[6] 1 Link
pool.itzod.ru Russia 360 Converted to BTC RSMPPS shared 0% getwork 2011-08-01 1 1 2 Link
PolMine Poland 160 No SMPPS shared 1% getwork 2011-06-13 1 1 Link
Triplemining EU 90 No PPLNS kept by pool 0% [10] getwork, getmemorypool[7] 2011-06-28 1 1 Link
pool.mkalinin.ru Russia 70 No PPLNS kept by pool 0% getwork 2011-07-20 1 1 Link
alvarez.sfek.kz Kazakhstan 3 No PPLNS kept by pool 0% getwork 2012-04-19 1 1 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. ↑ The share difficulty the pool uses
  4. ↑ 4.0 4.1 4.2 Pool also rewards stale shares
  5. ↑ 5.0 5.1 Donations are possible
  6. ↑ 6.0 6.1 6.2 6.3 6.4 The difficulty of the shares can be changed by the user.
  7. ↑ 7.0 7.1 7.2 7.3 Miner-local getwork proxy available.
  8. ↑ P2Pool supports merged mining but payouts in the merged chain are not pooled.
  9. ↑ People are donating to P2Pool miners to encourage people to use it. The P2Pool author also accepts optional donations.
  10. ↑ Triplemining keeps 1% to redistribute using a weekly jackpot and affiliations

See also

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