https://mikelle.github.io/tags/cometbft/Recent content in Cometbft on Mikhail WallHugo -- gohugo.ioen-usWed, 04 Mar 2026 00:00:00 +0000https://mikelle.github.io/blog/cometbft-geth-consensus/Wed, 04 Mar 2026 00:00:00 +0000https://mikelle.github.io/blog/cometbft-geth-consensus/Part 4 of the Custom Geth Consensus Series The Redis-based system from Part 3 tolerates crashes: if the leader dies, a standby takes over. But it can’t handle a malicious leader that proposes invalid blocks. This article replaces the entire custom stack with CometBFT (formerly Tendermint), giving us Byzantine fault tolerance, multi-validator voting, and instant finality. Full source code is on GitHub. What We’re Building Each validator runs a CometBFT node paired with a Geth instance.