3 ms·

https://en.wikipedia.org/wiki/Time-based_One-Time_Password https://en.wikipedia.org/wiki/Time-based_One-Time_Password

• owaislone 5y ago
  Doesn't that mean the client holds the keys/secret of some sort is shared with the client so it can either generate or verify?
  • mfollert 5y ago
    you only need the pub key to verify