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2026-04-17 05:53
Strong Customer Authentication (SCA) in Swift
Strong Customer Authentication, or SCA, is a multi-factor authentication method that protects sensitive actions inside apps such as — logging in, viewing sensitive data, changing settings, transferring money, anything worth guarding really. It came out of the EU, but it's spread far enough that you've almost certainly used it without knowing the name.
A quick backstory: SCA comes from a law calle...