github.com/cosmos/cosmos-sdk@v0.50.10/docs/spec/README.md (about) 1 --- 2 sidebar_position: 1 3 --- 4 5 # Specifications 6 7 This directory contains specifications for the modules of the Cosmos SDK as well as Interchain Standards (ICS) and other specifications. 8 9 Cosmos SDK applications hold this state in a Merkle store. Updates to 10 the store may be made during transactions and at the beginning and end of every 11 block. 12 13 ## Cosmos SDK specifications 14 15 * [Store](./store) - The core Merkle store that holds the state. 16 * [Bech32](./addresses/bech32.md) - Address format for Cosmos SDK applications. 17 18 ## Modules specifications 19 20 Go the [module directory](https://docs.cosmos.network/main/modules) 21 22 ## CometBFT 23 24 For details on the underlying blockchain and p2p protocols, see 25 the [CometBFT specification](https://github.com/cometbft/cometbft/tree/main/spec).