V2EX proof-of-work

Proof-of-Work

释义 Definition

工作量证明:一种共识/防滥用机制,要求参与者先完成可验证但计算成本较高的任务(通常是计算哈希),以证明其投入了一定算力,从而获得记账权、发布资格或抵御垃圾请求。常见于区块链(如比特币挖矿);在其他语境中也可泛指“用成果证明付出”。

发音 Pronunciation (IPA)

/pruf v wrk/

例句 Examples

Mining on Bitcoin relies on proof-of-work.
比特币挖矿依赖工作量证明。

Proof-of-work makes it expensive to rewrite the blockchain’s history, which helps protect the network from attacks.
工作量证明会让篡改区块链历史变得非常昂贵,从而帮助网络抵御攻击。

词源 Etymology

proof(证明)+ work(工作/计算)。该术语在密码学与网络安全中发展起来,用“必须做出一定计算工作”来证明资源投入。早期相关思想用于反垃圾邮件与抗滥用(如 Hashcash),随后在 2008 年《Bitcoin》白皮书中成为区块链共识机制的核心概念之一。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Bitcoin: A Peer-to-Peer Electronic Cash System(Satoshi Nakamoto,2008)
  • Hashcash A Denial of Service Counter-Measure(Adam Back,2002)
  • Pricing via Processing or Combatting Junk Mail(Cynthia Dwork & Moni Naor,1992)
  • Ethereum Yellow Paper(Gavin Wood,描述以太坊早期 PoW 机制)
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