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Here are some production-grade modules that can be used in Cosmos SDK applications, along with their respective documentation:
  • Auth - Authentication of accounts and transactions for Cosmos SDK applications.
  • Authz - Authorization for accounts to perform actions on behalf of other accounts.
  • Bank - Token transfer functionalities.
  • Crisis - Halting the blockchain under certain circumstances (e.g. if an invariant is broken).
  • Distribution - Fee distribution, and staking token provision distribution.
  • Evidence - Evidence handling for double signing, misbehaviour, etc.
  • Feegrant - Grant fee allowances for executing transactions.
  • Governance - On-chain proposals and voting.
  • Mint - Creation of new units of staking token.
  • Params - Globally available parameter store.
  • Slashing - Validator punishment mechanisms.
  • Staking - Proof-of-Stake layer for public blockchains.
  • Upgrade - Software upgrades handling and coordination.
  • NFT - NFT module implemented based on ADR43.
  • Consensus - Consensus module for modifying CometBFT’s ABCI consensus params.
  • Circuit - Circuit breaker module for pausing messages.
  • Genutil - Genesis utilities for the Cosmos SDK.
To learn more about the process of building modules, visit the building modules reference documentation.

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IBC​

The IBC module for the SDK is maintained by the IBC Go team in its own repository. Additionally, the capability module is from v0.48+ maintained by the IBC Go team in its own repository.

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CosmWasm​

The CosmWasm module enables smart contracts, learn more by going to their documentation site, or visit the repository.

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EVM​

Read more about writing smart contracts with solidity at the official evm documentation page.