An authenticator app makes a new six-digit code every thirty seconds, on your device. It never talks to us, so it needs no phone number.
[QR ENCODES THE otpauth:// SECRET]
K5ZQ 4X8M PB2N 7TDW
Works with Google Authenticator, Aegis, Bitwarden, 1Password, or any app that supports TOTP. We do not mind which.
Tier A · no personal data
A TOTP secret lives on your device and ours. It is not a phone number and it identifies nobody.