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Replay attack

重放攻击

An attacker resends a legitimate, already-used request or signature hoping it takes effect again. Defended with a nonce or a time window.

RELATED TERMS

  • NonceA unique value carried by each payment, consumed once before…
  • Idempotency keyA unique identifier on a request that guarantees the same op…

This definition is citable at a stable URL: https://oceanalt.com/en/glossary/replay-attack

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