# EAS ### Ethereum Attestation Service Ethereum Attestation Service (EAS) is a decentralized protocol for creating and verifying attestations on Ethereum and other blockchains. Perfect for checking proof of attendance, certifications, memberships, or any verified credentials. #### **Configure the requirement** * In the role editor, click **"Add requirements"** and select **Ethereum Attestation Service** * Set the verification parameters: * **Chain** - Select the blockchain where the attestation is stored (e.g., Arbitrum, Base, Ethereum) * **Reference** - Wallet address of the attester (the person/entity who issued the attestation) * **Schema ID** - Unique identifier for the attestation (e.g., 0x1234...) * **Key** - The field name within the schema you want to verify (e.g., "rank", "status", "SelectionMethod") * **Value** - What that field must contain to qualify * Choose matching logic: * **Equal** - Value must match exactly * **Doesn't equal** - Value must be anything except what you specify * **Includes** - Value must contain the specified text or be part of a list * Customize the requirement name and image if you want * Click **"Add requirement"** Members connect their wallet and Guild automatically verifies their attestations on the specified blockchain. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.guild.xyz/guild/how-to-setup-requirements/eas.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.