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Learn more about EAS in our docs
EAS
About
Welcome to EAS
Why We Exist
Public Good
Attestation Ecosystem
The Vision
Learn
Core Concepts
How EAS Works
Use Cases
FAQs
Build
Speedrun EAS
EAS Contracts
EAS SDK
GraphQL API
Tutorials
Explore
The Explorer
Attestations
Schemas
Ecosystem
The Repo
The Docs
Engage
Twitter
Telegram
Github
Forum

Attest to anything and everything.
Ethereum Attestation Service (EAS) is an infrastructure public good for making
attestations onchain or offchain about anything.
Welcome to EASStart Exploring →
Onchain
Reputation Systems
Knowledge Graphs
Registries
So much more
Offchain
P2P Attestations
Social Networks
Digital Identity
Anything

Built for Everyone
Public Good. Open-Source. Permissionless. Token-Free.
Easily start building with others on mainnet, several L2s, and various testnets.
EAS is growing
750k+
attestations made
13,000+
unique attesters
2,400+
schemas registered
Explore the Ecosystem
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 Ideas
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.
Provenance
The origination of anything.
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. Available on
several mainnets and testnets.
Try The Explorer

EAS is the base layer.
EAS is designed to be that foundational infrastructure for the attestation
ecosystem. Neutral, open, and built for the community, without presupposing too
much or building too high in the stack.
Impact
Attestations build trust online + onchain.
Application Layer
New and existing apps become more trustful and composable.
Reputation Graphs
Digital Identity
Provenance & Proofs
Voting Systems
Ticketing
More+
Attestation Layer
Where any type of entity makes attestations about anything.
Peer to Peer
Organizations
Contract to Contract
Governments
Machine to Machine
Communities
Ethereum Attestation Service
The universal and community-led base layer where schemas are registered and how
attestations are made.
Settlement Layer
Where attestations are settled and can be verified onchain or offchain.
Ethereum
Layer 2s
Offchain
Commmunity Content
Explore videos and articles created by people in the EAS community.
video


ETHEREUM ATTESTATION SERVICE: UNLOCKING DECENTRALIZED IDENTITY

BanklessPodcaster
video


ETHEREUM ATTESTATION SERVICE (EAS) EXPLAINER

Vaibhav SainiCo-Founder, OpenSea Pro
video


ETHGLOBAL PARIS - SPEEDRUN EAS

Bryce PatrickCore Team at EAS
video


CRAFTING THE NEW WEB OF TRUST & DIGITAL CREDIBILITY

Chaskin OnChainContributor
article


SUPERCHARGING ACCOUNT ABSTRACTION WITH ATTESTATIONS

Bryce PatrickCore Team at EAS
article


ELI5 ETHEREUM ATTESTATION SERVICE (EAS) - WHY YOU SHOULD CARE

Ryan YiCoinbase Ventures
article


BUILDING A DECENTRALIZED IDENTITY ECOSYSTEM, TOGETHER

Zain BacchusProduct at OP Labs
article


PRIVATE DATA ATTESTATIONS USING MERKLE TREES

Bryce PatrickCore Team at EAS
What will you build?
Get inspired. The opportunities the attestation layer creates are endless.
Identity Verifications
Aggregate DID, VC, and offchain identities.
Ticketing
Issue and verify tickets to events.
Trust Networks
Reputation systems & trust scores onchain.
Social Networks
Verified and user controlled social networks free from bots.
Voting Systems
Voting for local, national, & global communities.
Oracles
Attest to real world outcomes and offchain information.
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.


STEVE DAKH

LEAD FULL STACK ENGINEER

Founding team member of Ethereum, Rushwallet, and KryptoKit.


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.

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
Contribute
Telegram
Join Group
Forum
Launching Soon

EAS

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


RESOURCES

Explorer
Docs
FAQs


COMMUNITY

Github
Twitter


GENERAL

Why We Exist
The Vision
Core Concepts
Use Cases