以太坊笔记
交易树和收据树
bloom filter 是块头的一个域
bloom filter 快速过滤掉不符合条件的区块
以太坊:transaction-driven state machine
(比特币的状态机是 utxo)
权益证明
Proof of stake
virtual mining
AltCoin Infanticide
Proof of Deposit
nothing of stake
Casper the Friendly Finality Gadget (FFG)
Validator 2/3
100 epoch -> 50 epoch,连续两个 epoch 有 2/3 通过
EOS
DPOS: Delegated Proof of Stake