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    • Improving Registration Lock with Secure Value Recovery

    By Signal Blog January 27, 2020 · Edited February 5, 2026
    Registration Lock (https://support.signal.org/hc/en-us/articles/360007059792-Registration-Lock) allows you to set a PIN that is required for account registration in addition to standard SMS-based

    Registration Lock (https://support.signal.org/hc/en-us/articles/360007059792-Registration-Lock) allows you to set a PIN that is required for account registration in addition to standard SMS-based verification. Today’s Signal beta release enhances the security of these PINs by transitioning them to use Secure Value Recovery (/blog/secure-value-recovery/).

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