Proof of Stake (PoS)

wikipedia:Proof of Stake protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency.

• Peercoin (2012)
• NEO (Feb 2014)
• Cardano (Sep 2017), Ouroboros, Ouroboros Genesis
• Tezos (Jun 2018)
• Algorand (Apr 2019)
• Solana (Mar 2020)
• Polkadot (May 2020)
• BNB Smart Chain (BSC)
• Nxt
• QTUM
• Avalanche
• Ethereum 2.0 (Sep 2022, The Merge)
• Terra
• Cosmos
• Celo
• Polygon PoS

Related

• Proof of Work (PoW)
• Ethereum Beacon Chain
• nothing-at-stake problem
• staking service
• Liquid Staking
• lighthouse Ethereum software

geth
INFO [05-31|12:51:05.069] Consensus: Beacon (proof-of-stake), merged from Ethash (proof-of-work)

Activities

• Read https://www.technologyreview.com/2022/03/04/1046636/ethereum-blockchain-proof-of-stake/

See also

• Staking, Tezos, Cosmos, StakeWise, Staking facilities, Finoa, APR, validator, Ethereum Beacon Chain, Lido Staked ETH, Attestation effectiveness, lighthouse beacon node, Staking rewards, Chorus One, Allnodes, Ethereum SRB, Liquid Staking Token (LST), LPOS
• Proof of Stake (PoS), PPoS, Algorand, NEO, Cardano, QTUM, Polkadot, Solana, Staking, Validators, Pool provider, Liquid Staking, Cosmos, Agoric, Proposer, Subjectivity
• Consensus, Proof of Stake (PoS), Consensus clients, Execution clients, Prysm, Lighthouse, Lodestar, Teku, Nimbus, Consensus Layer (CL), Beacon client