Here is a link to reference OTP implementation:
https://www.yubico.com/faq/what-is-a-one-time-password-otp/
Does the ring support any OTP like HMAC-based One Time Password?
Here is a link to reference OTP implementation:
https://www.yubico.com/faq/what-is-a-one-time-password-otp/
Does the ring support any OTP like HMAC-based One Time Password?