Core Components

OP Passport Frontend: Web interface for users to interact with the platform.

Database: Storage for user data, badge issuance records, and attestations.

Back-End Service:

• Curia Indexer: Indexed data from on-chain and off-chain. This indexed data will be stored in the database for the criteria for each badge issuance record.

• Issuer: The backend service that is responsible for issuing badges to users. It also acts as a relayer for anonymous attestation.

Smart Contracts: Blockchain-based contracts for badge minting, identity attributes, and ZK proofs.

• Resolver: for validate on-chain criteria on endorsement attestation and verify proof & signature on anonymous attestation.

• Smart Account: smart contract account as passport and act as identity layer for each user.