mediumLogic errorCosmos-SDK
ZetaChain: `AddBlockHeader` Cannot Cope with Reorgs
- Payout
- $0
- Protocol
- ZetaChain
- Disclosed
- Sep 6, 2024
- Source
- code4rena
ZetaChain's observer module records block headers of connected external chains after a configured number of confirmations, and its AddBlockHeader message server rejects any header whose height is not exactly LatestHeight+1. When Bitcoin, Ethereum or BSC underg …
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References
- https://github.com/code-423n4/2023-11-zetachain-findings/issues/542
- https://github.com/code-423n4/2023-11-zetachain-findings
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