How to Add PIN Security to Your Signal Account

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Summary: Signal’s new PIN feature adds an extra layer of security to the encrypted messaging app and makes moving your account between multiple devices less of a hassle. While all text and voice communication in Signal is end-to-end encrypted locally and never stored on Signal’s servers, period, your PIN can be used to encrypt certain Signal profile information that can be shared between devices—stuff like your contacts and account settings. (Your PIN itself is not saved on the servers.