The HOTP token is an event based token. You can paste a secret key or have the server generate the secret and scan the QR code with a smartphone app like the Google Authenticator turning your smartphone into an authentication device.

Token data

The server will create the OTP key and a QR Code will be displayed to you to be scanned.

The Google Authenticator only supports an OTP length of 6.

The Google Authenticator only supports the SHA1 algorithm.