WALDO'S HANDY DANDY INFORMATIVE ON GOOD THINGS FOR YOU TO KNOW
FYI
Comparison of mining pools
and payout types
Reward types & explanation:
- CPPSRB - Capped Pay Per Share with Recent Backpay.
- 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.
- ESMPPS - Equalized Shared Maximum Pay Per Share. Like SMPPS, but equalizes payments
fairly among all those who are owed. - POT - Pay On Target. A high variance PPS variant that pays on the difficulty of work returned to pool rather than the difficulty of work served by pool
- 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.
- PPLNSG - Pay Per Last N Groups (or shifts). Similar to PPLNS, but shares are grouped into "shifts" which are paid as a whole.
- 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.
- Prop. - Proportional. When block is found, the reward is distributed among all workers proportionally to how much shares each of them has found.
- RSMPPS - Recent Shared Maximum Pay Per Share. Like SMPPS, but system aims to prioritize the most recent miners first.
- 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)
- SMPPS - Shared Maximum Pay Per Share. Like Pay Per Share, but never pays more than the pool earns.
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Name Location TH/s Merged Mining Reward Type Transaction fees PPS Fee Other Fee 
GBT Launched Variance Forum Website 50BTC 
No PPS or PPLNS kept by pool 6% 1.5% Yes Yes 2011-11-11 User link link ABCPool.co No PPS kept by pool 5% Yes No No 2011-08-02 Diff 1 link link pool.enso.kz 
0.06 No PPLNS kept by pool 0% Yes 2012-04-19 Dynamic link link Bitalo 
1.1 No PPLNS shared 0% Yes Yes 2014-04-08 Dynamic link BitClockers NMC PPS kept by pool 8% Yes 2011-05-27 Diff 1 link link BitcoinAffiliateNetwork 
2000 No PPS kept by pool 0% 0% No Yes 2014-07-15 User/Dynamic link link BitcoinMining.Co No kept by pool kept by pool 2% Yes 2013-08-13 Diff 1 link link BitcoinPool.com No Prop. kept by pool 0% Yes 2011-03-08 Diff 1 link link Slush's pool (mining.bitcoin.cz) 
677 No Score shared 2% Yes 2010-11-27 User link link BitMinter 1500 NMC PPLNSG shared 1% Yes Yes Yes 2011-06-26 User/Dynamic link link Blisterpool 1.4 Devcoin + bonus PPLNS shared 2% Yes Yes Yes 2014-02-01 User/Dynamic link link BTCPoolman 
0.5 No Prop. shared 2% Yes Yes No 2013-03-01 Diff 1 Twitter Register BTC Guild 10500 NMC PPLNSG shared 2% Yes Yes No 2011-05-09 User/Dynamic link link BTC Oxygen No PPS kept by pool 2% Yes Yes 2012-11-01 Diff 1 link link BTCMine 0.1 No Score kept by pool 0% Yes 2011-03-11 Diff 1 link link BTCDig 7 No DGM kept by pool 0% Yes 2013-07-04 User/Dynamic 20SPM link link BTCmow No PPLNS kept by pool 2.5% Yes 2013-05-31 Diff 1 link link btcmp.com 1.4 No PPS kept by pool 4% Yes 2011-06-28 Diff 1 link BTCWarp No Score kept by pool 0% Yes 2011-07-29 Diff 1 link link CKPool 1000 No PPLNS shared 0.9% No Yes No 2014-09-20 User/Dynamic 18SPM link link Coin Miners No PPLNS kept by pool 0% Yes 2014-02-27 Diff 1 link link CoinLab Protected Pool No PPS kept by pool 2-5% Yes 2012-08-09 Diff 1 link Coinotron 
No DGM kept by pool 0% Yes 2011-07-06 Diff 1 link link DeepBit 0.1 No PPS/Prop. kept by pool 10% 3% Yes 2011-02-26 Diff 1 link link Eclipse Mining Consortium Global 246 No DGM/PPS kept by pool 5% 0% Yes Yes Yes 2011-06-14 User/Dynamic link link Eligius 4000 NMC 105% PPS[8] CPPSRB shared 0% Yes Yes Yes 2011-04-27 Dynamic: 32 shares/m link link GHash.IO 60000 NMC, IXC, Devcoin PPLNS shared 0% 0% No Yes No 2013-07-01 User link link Give Me COINS 25 NMC PPLNS shared 0% No Yes Yes 2013-08-12 Dynamic link link MaxBTC NMC DGM kept by pool 0% Yes 2012-03-15 Diff 1 link link Merge Mining Pool 50 NMC, IXC, Devcoin DGM shared 1.5% No Yes No 2012-01-08 User link link MinerGate Yes PPS, PPLNS kept by pool 2.5% 2% Yes Yes No 2014-03-24 Dynamic link link Multipool 400 NMC, IXC, Devcoin Prop. shared 0% Yes Yes No 2012-03-15 User link link MuPool 30 No PPLNS shared 0% Yes Yes Yes 2014-02-23 Dynamic link link Ozco.in 4 No DGM shared 1% No Yes No 2011-06-07 User/Dynamic link link PolishPool 5 NMC IXC DEV PPLNS/PPS shared 0% 0% Yes Yes Yes 2013-07-07 User/Dynamic link link P2Pool Global (p2p) 800 Solo PPLNS shared 0% No Yes No 2011-06-17 User link pool.itzod.ru 38 No RSMPPS shared 0% Yes Yes Yes 2011-08-01 User RU EN link PolMine 700 NMC SMPPS shared 1% 0% Yes Yes Yes 2011-06-13 Dynamic/User link link Triplemining 7.5 No PPLNS[11] kept by pool 0% Yes Yes Yes 2011-06-28 Diff 1 for getwork/GBT, dynamic for stratum link link
Major Active 50BTC • AntPool • Bitalo • BitMinter • BTCDig • Btcmp • CKPool • CloudHashing • EclipseMC • MegaBigPower • Merge Mining Pool • Multipool • Ozco.in • TripleminingDefunct ABCPool.co • BitClockers • BitcoinMining.Co • BitcoinPool.com • BTCPoolman • Compute 4 Cash • DeepBit • HHTT • x8s • XKCD Pool
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