Secondary Authentication for Crypto Transactions

[git-union[bot]]

Secondary Authentication for Crypto Transactions

As a wallet user, I want a secondary authentication step before finalizing any crypto transaction to prevent sending to a wrong address by mistake.

Acceptance Criteria

• [ ] User is prompted for secondary authentication before transaction is sent.
• [ ] Secondary authentication includes confirming the recipient's address or scanning a QR code.
• [ ] Secondary authentication step requires biometric input (fingerprint or facial recognition) for approval.
• [ ] System provides an option to review and edit the transaction before final confirmation.
• [ ] Transaction can only be submitted after successful secondary authentication.
• [ ] Transaction is cancelled if secondary authentication is not successful within a defined timeout period.
• [ ] User receives a clear confirmation message upon successful transaction submission.
• [ ] User receives a clear error message upon secondary authentication failure or transaction cancellation.

  sequenceDiagram
  participant User
  participant WalletApp
  participant AuthSystem
  User->>WalletApp: Initiate transaction
  WalletApp->>User: Request secondary authentication
  User->>AuthSystem: Provide biometric input
  AuthSystem-->>WalletApp: Authentication successful
  WalletApp->>User: Display confirmation and option to cancel/edit
  User->>WalletApp: Confirm transaction
  WalletApp-->>User: Transaction submitted successfully