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Learn more about EAS in our docs
EAS
SchemasAttestationsLearnDocs

Attest to anything and everything.
Ethereum Attestation Service (EAS) is a public good for creating, verifying, and
revoking on/off-chain attestations.
Visit the DocsStart Exploring →
On-Chain
Decentralized Identifiers
Verifiable Credentials
Cryptographic Proofs
Claims & Web3 Badges
Off-Chain
Passports & IDs
Social Accounts
Statements you make
Anything

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.
Explore Schemas
Identity
Your digital and physical identities.
Statements
Things you say online.
Asset ownership
What you own, like a car or house.
Votes
What you care about.
Reputation
Your trust and credibility.
Credentials
Your skills and badges.
Eligibilities
What you have access to.
Financial status
Credit scores and financial health.
Digital signatures
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.
Go to Scanner
TRANSACTIONS
Review recent attestations and schemas.
View transacations
SCHEMAS
View current schemas for your use case or easily make your own.
Explore schemas
ATTESTATIONS
Pick your schema and easily make on/off-chain attestations.
Make 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.
IMPACT
Global consumer safety & trustless economies
TRUSTLESS APPLICATIONS
New and exisiting applications become more trustless and composable.
Social Networks
Land Registries
Ticketing
On-chain Loans
Voting
More+
ATTESTATIONS
On/Off-chain attestations are made by anyone and composable together.
Ethereum Attestation Service
Global base layer for trust. Register schemas and make Attestations.
ETHEREUM L1
All EAS transactions are settled and secured by Ethereum.
What will you build?
Get inspired. The opportunities the attestation layer creates are endless.
Identity Verifications
Aggregate DID, VC, and off-chain identities.
Ticketing
Issue and verify tickets to events.
Trust Networks
Reputation systems & trust scores on-chain.
Social Networks
Verified social networks free from bots.
On-Chain Voting
On-chain voting for local, national, & global communities.
Prediction Markets
Attest to real world outcomes.
Undercollateralized Loans
Credit scores and financial status.
Land registries
Verified titles & deeds to property.
Signing documents
Digital notary and signing services.
Proof of provenance
Know the origination of the goods you buy.
Use Case Examples
Come build with us.
Ethereum Attestation Service is being built by the earliest of Ethereans and a
diverse community of passionate builders.


LEONID BEDER

LEAD SOLIDITY & SECURITY ENGINEER

Smart contracts engineer and auditor, security and OPSEC expert, ex-Machine
Learning and Cryptography.


DINO MARK

BUILDER & SYSTEMS DESIGNER

Early Ethereum contributor and systems designer for EAS.


BRYCE PATRICK

PROTOCOL GROWTH & ADOPTION

Public goods builder & product person focusing on growth and adoption of EAS.


STEVE DAKH

LEAD FULL STACK ENGINEER

Founding team member of Ethereum, Rushwallet, and KryptoKit.

Join the community.
Start building with EAS. Reach out to us with any questions or if you need
support implementing EAS to your projects.
Twitter
@eas_eth
GitHub
View Repo
Telegram
Join Group
Discord
Coming Soon


EAS

Ethereum Attestation Service is the global base layer for attestations.
 * Public good.
 * Open Source.
 * Permissionless.
 * Tokenless.
 * Free.


RESOURCES

Scanner
Docs


COMMUNITY

Github
Twitter
Donate


GENERAL

Schemas
Attestations
Use Cases