Keychain
N/A
钥匙串
Keychain · N/A · 钥匙串 · KEE-chayn · iCloud Keychain · password keychain · Digital Security · passwords · apple · everydayDigital SecurityiCloud Keychain password keychain/KEE-chayn/
Also known as: iCloud Keychain, password keychain
Last updated August 9, 2026
Definition
Keychain is Apple’s built-in vault for passwords, passkeys, and some certificates, syncing across devices when iCloud Keychain is on.
Real-World Example
Saving a new website password in Safari stores it in Keychain for iPhone and Mac.
References
Related terms
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