Portkey is the first CA wallet from aelf's ecosystem, migrating Web2 users and developers into Web3 with a DID solution. Users can quickly log in to Portkey using their Web2 social information without needing private keys or mnemonics. Portkey protects users' assets from centralized control and theft, supported by its social recovery and decentralized verifier design. Additionally, Portkey generates nearly zero fees for account creation and user usage with its special delegation mechanism.