Ethereum Attestation Service

Attest to anything and everything.

Ethereum Attestation Service (EAS) is an infrastructure public good for making attestations onchain or offchain about anything.

Built for Everyone

Public Good. Open-Source. Permissionless. Token-Free.

Easily start building with others on mainnet, several L2s, and various testnets.

Attest to anything.

Create schemas and attest with them about anything. Easily create your own schemas for your unique use case or explore a few created by the community.