Blink offers a Lightning wallet with full reserve cold storage (available in select jurisdictions) and a non-custodial Spark wallet for self-custody. For the Lightning wallet, funds are held in cold storage using a multi-signature (multi-sig) quorum.
Prevent unauthorized access
Secure authentication
Lock down your Blink account with biometric authentication, email one time passwords (OTP) and 2-Factor Authentication (TOTP).
Once you have enabled email login, you can remove your phone number to reduce the impact of SIM swaps.