LOCK

About this character

U+1F512, the lock emoji (also “locked”), depicts a closed padlock, symbolizing security, privacy, and restricted access. It derives from the Unicode 6.0 emoji set (2010), inheriting the conventional padlock iconography used in digital interfaces. Primary uses include denoting encrypted connections, private accounts, protected content, or the act of locking devices and files. In programming and UI design, it conveys permission states, secure sessions, or locked resources, while in writing and typography it serves as a compact visual metaphor for secrecy, exclusivity, or safeguarding information. Its cross-platform ubiquity makes it a standard visual shorthand for controlled access and confidentiality.

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