Architecture Overview
The system architecture includes the front-end web interface, back-end services, smart contracts, and a database for tracking user achievements and badge issuance. The architecture is designed to ensure privacy and security through the integration of ZK technology.
OP Passport Creation Flow
The creation of an OP Passport involves several steps, integrating both off-chain and on-chain processes to ensure a secure, verifiable, and privacy-preserving digital identity. Here's a summarized flow:
User Eligibility & Initiation:
A user eligible for creating an OP Passport initiates the process through the Passport frontend.
Passport Creation Request:
The request is sent to the OP Passport API, which creates the passport, updates the database, and sends a task to GCP Cloud Task for further processing.
Safe Wallet Creation:
A Safe wallet is created for the user, which will store their digital identity.
Attestation Process:
The Attestation API constructs the necessary EAS schemas for the passport and user achievements.
The system attests the passport and achievements on-chain using the Ethereum Attestation Service (EAS).
Finalization:
The passport and associated achievements are recorded on-chain with their respective EAS IDs and transaction hashes (TxHash).
The OP Passport API updates the passport with all relevant on-chain data, completing the process.
This flow ensures that each user's governance participation and achievements are securely documented, providing a verifiable and transparent on-chain identity.
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