Pool Architectures & Reward Schemes Pools allow many miners to collectively find blocks. Differences are in how rewards are distributed. Reward schemes PPS (Pay-Per-Share) Miner gets fixed payment per accepted share. Pool absorbs all variance: - Pro: predictable income for miners. - Con: pool needs cash reserve to cover bad-luck periods. Fee: typically 4-5% to compensate pool variance risk. FPPS (Full Pay-Per-Share) PPS but miner also receives proportional share of transaction fees beyond just the subsidy. Most popular scheme as of 2024-2025. Fee: 2-3%. PPLNS (Pay-Per-Last-N-Shares) Reward =…