ETHW confirms contract vulnerability exploit, dismisses replay attack claims

Post-Ethereum Merge proof-of-work (PoW) chain ETHW has moved to quell claims that it had suffered an on-chain replay attack over the weekend.

Smart contract auditing firm BlockSec flagged what it described as a replay attack that took place on Sept. 16, in which attackers harvested ETHW tokens by replaying the call data of Ethereum’s proof-of-stake (PoS) chain on the forked PoW chain.

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