ConceptProof of Work / PoW
工作量证明
一种密码学机制，要求计算方完成一定量的计算工作才能获得某种权益或通过验证，是比特币等区块链系统的核心共识机制，也被用于反垃圾邮件场景
Timeline (last 90 days)
Oct 13
The 'proof of work' in this scenario relies on geolocation, timestamps and human visual judgment, not on computing power as in blockchain.
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