> ## Documentation Index
> Fetch the complete documentation index at: https://cosmos-docs-cosmjs-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Blockchain

This section describes the core types and functionality of the CometBFT protocol implementation.

[Core Data Structures](/cometbft/v0.38/spec/core/Data_structures)
[Encoding](/cometbft/v0.38/spec/core/encoding)
[State](/cometbft/v0.38/spec/core/state)