Posts tagged #cometbft

2 posts.

September 22, 2026 · 8 min read

Babylon RPC: A Developer's Guide

How to query Babylon Genesis over RPC and LCD — CometBFT 0.38.22 on chain bbn-1, ~9.6 second blocks, 68 validators, blocks filled with finality signatures, why tx_search refuses ranges, and the pruning floor that gave three different answers in six calls.

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September 20, 2026 · 9 min read

Neutron RPC: A Developer's Guide

How to query Neutron over JSON-RPC — CometBFT 0.38 on chain neutron-1, why there is no numeric chain ID, the header fields that disappeared in 0.38, a tx_search that times out instead of answering, a pruning floor that differs between nodes, and a block time that measured 7s this week against a 2s baseline.

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