Optimism has released version 1.8.0 of Kona, its Rust-based fault proof stack, with fixes covering derivation logic, proof execution, TLS, and preimage handling. The update is designed to stop malformed batches, under specific faulty batch conditions, from causing Kona to derive a different chain from op-node, which would break consistency across validation software. It also changes how proof execution responds to errors: if preimage data or witness data is missing, execution now halts instead of immediately marking a block as invalid. In the same release, Optimism updated the EVM implementation, patched TLS dependencies, and improved error handling for the preimage server. The project said it recommends that all chains adopt this version and run kona-host together with the matching kona-client v1.8.0 absolute prestate. The item was published by Techub and cited Bitcoinist.
Optimism has released Kona v1.8.0, a new version of its Rust-based fault proof stack, with fixes for derivation logic, proof execution, TLS, and preimage handling.
The release is intended to prevent malformed batches, under specific faulty batch conditions, from causing Kona to derive a different chain from op-node. The stated goal is to keep validator software behavior consistent.
The update also changes how proof execution handles errors. If preimage data or witness data is missing, execution now stops instead of directly treating the block as invalid.
Version 1.8.0 also updates the EVM implementation, patches TLS dependencies, and improves error handling on the preimage server.
Optimism said it recommends that all chains adopt this release and make sure kona-host runs together with the matching kona-client v1.8.0 absolute prestate.
The update was reported by Techub, citing Bitcoinist.
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