2FA methods supported by Shadow
Adding two-factor authentication is one of the most effective ways to protect your Shadow account. With TOTP support, you can generate Shadow verification codes directly in the Authenticator App.
Authenticator app (TOTP)
Shadow lets you use time-based one-time passwords, so you can generate verification codes in an authenticator app on your device — no network or SMS needed.
Security key (U2F)
Shadow works with hardware security keys using the U2F/FIDO standard.
Shadow 2FA — Frequently asked questions
Does Shadow support an authenticator app?
Yes. Shadow supports time-based one-time passwords (TOTP), so you can add it to the Authenticator App and generate verification codes right on your device.
Which two-factor authentication methods does Shadow support?
Shadow currently supports: Authenticator app (TOTP), Security key (U2F).
Is it free to generate Shadow codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Shadow verification codes does not require an account or sign-up.
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