The Blink platform is designed for security, with multi-sig cold storage for funds and multiple authentication methods for users.

High standard for security

Multi-sig cold storage

Blink is a full reserve custodial Lightning wallet. Most of the funds held in the wallet are held in cold storage using a multi-signature (multi-sig) quorum.  A small portion of the funds are kept in a hot wallet in order to provide a seamless Lightning payments experience.
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.
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