Learn more about EAS in our docs
Attest to anything and everything.
Ethereum Attestation Service (EAS) is a public good for creating, verifying, and revoking on/off-chain attestations.
Claims & Web3 Badges
Passports & IDs
Statements you make
Open-source. Permissionless. Tokenless. Free.
EAS exists to be the global base layer where anything and everything can be attested to.
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.
Your digital and physical identities.
Things you say online.
What you own, like a car or house.
What you care about.
Your trust and credibility.
Your skills and badges.
What you have access to.
Credit scores and financial health.
Verified signatures on chain.
Two simple contracts for any use case.
EAS works with only two smart contracts. One to register an attestation schema, and another to make attestations on Schemas. Elegantly simple. Limitless possibility.
What will you build?Get started yarn install @ethereum-attestation-service/eas-contracts ->
Explore the scanner.
Use EAS Scan to easily view and create schemas or attestations. It's like etherscan for attestations.
EAS is the base layer.
Any exisiting or new attestation provider can easily add their schemas and attestations to EAS for greater composability and interoperability.
Global consumer safety & trustless economies
New and exisiting applications become more trustless and composable.
On/Off-chain attestations are made by anyone and composable together.
Ethereum Attestation Service
Global base layer for trust. Register schemas and make Attestations.
All EAS transactions are settled and secured by Ethereum.
What will you build?
Get inspired. The opportunities the attestation layer creates are endless.
Aggregate DID, VC, and off-chain identities.
Issue and verify tickets to events.
Reputation systems & trust scores on-chain.
Verified social networks free from bots.
On-chain voting for local, national, & global communities.
Attest to real world outcomes.
Credit scores and financial status.
Verified titles & deeds to property.
Digital notary and signing services.
Proof of provenance
Know the origination of the goods you buy.
Come build with us.
Ethereum Attestation Service is being built by the earliest of Ethereans and a diverse community of passionate builders.