# List of Modules Here are some production-grade modules that can be used in Cosmos SDK applications, along with their respective documentation: * [Auth](auth/spec/README.md) - Authentication of accounts and transactions for Cosmos SDK applications. * [Authz](authz/spec/README.md) - Authorization for accounts to perform actions on behalf of other accounts. * [Bank](bank/spec/README.md) - Token transfer functionalities. * [Capability](capability/spec/README.md) - Object capability implementation. * [Crisis](crisis/spec/README.md) - Halting the blockchain under certain circumstances (e.g. if an invariant is broken). * [Distribution](distribution/spec/README.md) - Fee distribution, and staking token provision distribution. * [Epoching](epoching/spec/README.md) - Allows modules to queue messages for execution at a certain block height. * [Evidence](evidence/spec/README.md) - Evidence handling for double signing, misbehaviour, etc. * [Feegrant](feegrant/spec/README.md) - Grant fee allowances for executing transactions. * [Governance](gov/spec/README.md) - On-chain proposals and voting. * [Mint](mint/spec/README.md) - Creation of new units of staking token. * [Params](params/spec/README.md) - Globally available parameter store. * [Slashing](slashing/spec/README.md) - Validator punishment mechanisms. * [Staking](staking/spec/README.md) - Proof-of-Stake layer for public blockchains. * [Upgrade](upgrade/spec/README.md) - Software upgrades handling and coordination. To learn more about the process of building modules, visit the [building modules reference documentation](../docs/building-modules/README.md). ## IBC The IBC module for the SDK has moved to its [own repository](https://github.com/cosmos/ibc-go).