Proxy Pool
A proxy pool forwards hashrate to another pool with block-mining capabilities.
Related terms
POS
POS, or Proof of Stake, is a consensus method selecting validators based on staked coins.
PPLNS (Pay Per Last N Share)
PPLNS rewards miners based on the number of shares contributed to the last N shares.
PPS (Pay-Per-Share)
PPS is a mining pool payout method compensating based on contributed hashrate.
PSU
A PSU provides power to ASICs and may be external or integrated.
Payback Period
Payback period is the time it takes for mining hardware to generate revenue equal to its cost.
PoW (Proof-of-Work)
PoW is a consensus method using computational work to validate blockchain transactions.