# Validators This folder contains documentation relevant to validators of the Cosmos Hub and other `gaia` blockchains. - [Validator Overview](./overview.md) - [Setting Up a Validator for Cosmos Hub Mainnet](./validator-setup.md) - [Validator FAQ](./validator-faq.md) - [Validator Security Notice](./security.md) - Key Management System + [Intro to KMS](./kms/kms.md) + [KMS + Ledger](./kms/kms_ledger.md)