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Two-factor authentication

Protect sign-in with an authenticator app or email codes: setup, recovery codes, the 30-day remember option, and how to disable 2FA safely.

Turn on 2FA

Open your Security page (user menu → Security). Under Two-factor authentication you can enable either — or both — of:

Two-factor authentication: after your password a six-digit code from an authenticator app or email, with ten single-use recovery codes and an optional thirty-day remember-this-device option Your password Something you know 6 Authenticator app Scan the QR code once Email codes Once your email is confirmed Enable either — or both Signed in Remember this device 30 days 10 recovery codes — shown once 7K2F-9QX4 B3MN-8TR1 D6VP-2LH5 Each works once. Store them somewhere safe. Regenerating invalidates the old set. Remembering has a limit On an unrecognized device the prompt always appears, remembered or not — and signing out all devices clears every exemption. A passkey skips the prompt entirely.
Your password, then a code — with recovery codes as the way back in.
  • Set up authenticator app — scan the QR code with any authenticator app (or type the key shown under "Can't scan?"), then confirm with a 6-digit code and click Enable two-factor authentication.
  • Set up email codes — MarketplaceHub emails you a 6-digit code; confirm it to turn email codes on. (Available once your email address is confirmed.)

The first time you enable a factor you get 10 recovery codes, shown once — "store these somewhere safe; each can be used once to sign in if you lose your device." You can regenerate them any time with Regenerate recovery codes (which invalidates the old set).

Signing in with 2FA

After your password, you'll be asked for a 6-digit code from your authenticator app or email. Tick Remember this device for 30 days to skip the prompt on a machine you trust — on an unrecognized device the prompt always appears, remembered or not. Lost your device? Use Use a recovery code, or switch methods with Email me a code instead / Use your authenticator app if you enrolled both.

Signing in with a passkey? The two-factor prompt doesn't appear — a passkey already proves both your device and your identity (Face ID, Touch ID, Windows Hello or your device PIN), so it counts as two factors on its own. 2FA keeps protecting your password sign-ins.

Turning it off

On the Security page, confirm your password and click Turn off two-factor authentication. This also resets your authenticator key and invalidates all recovery codes — re-enabling later starts fresh.

Signing in with Google or Amazon instead?

If your account has no password and you sign in only through a connected Google or Amazon account, your second factor is handled by that provider. Set a password on the Security page first if you'd like MarketplaceHub's own 2FA as well.

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