# IBC PROCOTOCL GUIDE

- [Ethereum IBC protocol](/smart-contract-api/ethereum-ibc-contract-api.md)
- [Bitcoin IBC protocol](/smart-contract-api/bitcoin-ibc-contract-api.md)
- [Ripple IBC protocol](/smart-contract-api/ripple-contract-api.md)
- [API references](/smart-contract-api/api-references.md)
- [Network information](/smart-contract-api/api-references/testnet-info.md)
- [Chain APIs](/smart-contract-api/api-references/chain-apis.md)