> Signal PINs are based on [Secure Value Recovery], which we previewed in December, to allow supporting data like your profile, settings, and who you’ve blocked

> Signal PINs are based on [Secure Value Recovery], which we previewed in December, to allow supporting data like your profile, settings, and who you’ve blocked to be securely recovered should you lose or switch devices. [Secure Value Recovery] https://signal.org/blog/secure-value-recovery/ https://signal.org/blog/secure-value-recovery/ > All of this adds up to a secure enclave that limits the number of recovery attempts that are possible against a value synchronized across nodes in hardware-encrypted RAM.