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Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

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.
Circuit - Circuit breaker module for pausing messages.
Consensus - Consensus module for modifying CometBFT's ABCI consensus params.
Distribution - Fee distribution, and staking token provision distribution.
Epochs - Allow other modules to set that they would like to be signaled once every period
Evidence - Evidence handling for double signing, misbehaviour, etc.
Feegrant - Grant fee allowances for executing transactions.
Genutil - Genesis utilities for the Cosmos SDK.
Governance - On-chain proposals and voting.
Mint - Creation of new units of staking token.
NFT - NFT module implemented based on ADR43.
Params - Globally available parameter store.
Protocolpool - Functionalities handling community pool funds.
Slashing - Validator punishment mechanisms.
Staking - Proof-of-Stake layer for public blockchains.
tx - Tx utilities for the Cosmos SDK.
Upgrade - Software upgrades handling and coordination.

To learn more about the process of building modules, visit the building modules reference documentation.

The IBC module for the SDK is maintained by the IBC Go team in its own repository.

Additionally, the capability module is from v0.50+ maintained by the IBC Go team in its own repository.

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

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

Path	Synopsis
circuit module
feegrant module
genutil Package genutil contains a variety of genesis utility functionality for usage within a blockchain application.	Package genutil contains a variety of genesis utility functionality for usage within a blockchain application.
client/cli
client/testutil
testutil Package testutil is a generated GoMock package.	Package testutil is a generated GoMock package.
types
group module
nft module
simulation Package simulation implements a full fledged Cosmos SDK application used for executing simulation test suites.	Package simulation implements a full fledged Cosmos SDK application used for executing simulation test suites.
client/cli