Table 1 Comparison of common consensus mechanisms.
Name | Pow | PoA | Pos | Dpos | PBFT | Raft |
|---|---|---|---|---|---|---|
Proposed year | 1999 | 2017 | 2011 | 2013 | 1999 | 2013 |
Production performance | Low | High | Middle | High | High | High |
Delay | High | Low | High | Middle | Low | Low |
Resource consumption | High | Low | Middle | Low | Low | Low |
Byzantine fault tolerance | Yes (< 1/2) | No | Yes (< 1/2) | Yes (< 1/2) | Yes (< 1/3) | No |
Representative application | Bitcoin | Private Ethereum Networks | Peercoin, Nxt | EOS, Bitshares | Hyperledger | Etcd, Braft |