Wallet Setup Steps for ChainIT Users

For Users with an Existing Wallet:

1. Request Access to Storage: Prompt the user to grant access to storage to load the encoded recovery file.
2. Send File to Backend: Post the recovery file to the backend for decoding using the BIT password.
3. Decrypt Private Key: Decrypt the private key using the user-provided PIN.
4. Store Private Key:
   • In-Memory Storage: Temporarily store the private key in the application’s memory.
   • Local Storage: Save the private key in local storage with session encryption.
5. Marketplace Access: Validate the user's identity via FaceID.
6. Transaction Completion: Confirm that the transaction was successful.

For Users without an Existing Wallet:

1. Create Non-Custodial Wallet: Generate a new private and public key pair.
2. Set Up PIN: Prompt the user to create a PIN to encode the private key.
3. Fetch BIT Password: Retrieve the BIT password and encode the generated private key and user ID.
4. Send Encoded Strings to Backend:
   • Post the encoded strings to the backend.
   • The backend will wrap the key with a strong BIT password using AES encryption (e.g., BitUserId + BIT Salt).
   • Encode the string with BIT and return the multi-encoded string to the frontend.
5. Store Private Key:
   • In-Memory Storage: Temporarily store the private key in the application’s memory.
   • Local Storage: Save the private key in local storage with session encryption.
6. Marketplace Access: Validate the user's identity via FaceID.
7. Transaction Completion: Confirm that the transaction was successful.