Proof of work
概念Doing something that costs real computation but takes an instant to check. First used to make sending spam expensive.
Appears in
Relations
Used proof of work to constrain who may write to the ledger. It stayed a proposal and was never built.
Used proof of work to manufacture digital scarcity. Likewise never built.
Sources
- Level AHashcash — A Denial of Service Counter-MeasureAdam Back
Unverified · 作者本人站点 hashcash.org 的 papers 目录，或该论文的学术索引条目。发表年份 2002，方案本身 1997 年提出。