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  • A decentralized peer-to-peer network (the bitcoin protocol)

  • A public transaction ledger (the blockchain)

  • A set of rules for independent transaction validation and currency issuance (consensus rules)

  • A mechanism for reaching global decentralized consensus on the valid blockchain (Proof-of-Work algorithm)

  • From

    Cover of Mastering Bitcoin, 2nd Edition

    Note

    比特币的四个创新点(和第一版的后两点不一样):
    1,一个去中心化的点对点网络(比特币协议);
    2,一个公共的交易账簿(区块链);
    3,一组用于无依赖的交易确认和货币发行的规则(共识法则<注:交易脚本>);
    4,一种用于在合法的区块链上达成全局去中心化共识的机制(PoW算法<注:挖矿>)。