What is a Blockchain Replay Attack?
ID: f86653a1-c925-5420-9ea2-af069d91c94b
STIX ID: report--f86653a1-c925-5420-9ea2-af069d91c94b
Feed Name: CertiK Blog
This CertiK blog post explains replay attacks against blockchain systems — where intercepted valid transactions are resent or duplicated (notably during hard forks) to illicitly transfer funds — describes attacker motivations and the mechanics of such attacks, and recommends mitigations like replay protection and consulting cybersecurity professionals.
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