# Ethereum Attestation Service **Domain:** Blockchain / Attestations **Doc Type:** Developed Wiki Node **Maturity:** Developed **Collection:** [[collections/Gamification|Gamification Collection]] ## Definition The **Ethereum Attestation Service (EAS)** is an open infrastructure for creating on-chain or off-chain attestations using schemas and signatures. ## Significance It can make credentials and claims portable, but the evidentiary value of an attestation depends on who issued it and under which rule. ## Sources - [[articles/gamification/Lex Sportiva and Winning Without Bloodshed|Lex Sportiva and Winning Without Bloodshed]] - [[articles/gamification/The X Ledger|The X Ledger]] - [Primary or institutional source](https://attest.org/) ## Routes [[wiki/Verifiable Credential|Verifiable Credential]] · [[wiki/On-Chain Reputation|On-Chain Reputation]] · [[wiki/Attribution Stack|Attribution Stack]] · [[articles/gamification/Lex Sportiva and Winning Without Bloodshed|Lex Sportiva and Winning Without Bloodshed]]