October 2nd 2026, 8:41 AM
Optimism Kona Patch Tackles Chain Derivation Flaw
Key Summary
TL;DR Optimism has released Kona v1.8.0 components with fixes for derivation, proof execution, TLS and preimage handling. The release prevents a malformed batch from causing Kona to derive a different chain from op-node under a specific faulty-batcher condition. Optimism recommends the release for all chains and says kona-host should be run with the matching kona-client […]
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Overview
Optimism has released Kona v1.8.0 components with fixes for derivation, proof execution, TLS and preimage handling.TL;DR
The release prevents a malformed batch from causing Kona to derive a different chain from op-node under a specific faulty-batcher condition.Recommendations
Optimism recommends the release for all chains and says kona-host should be run with the matching kona-client.#Optimism#Kona#SmartContract#BlockchainSecurity