transaction attribute. Its value is a transaction text that is part of the request metadata displayed in the confirmation prompt during out-of-band communication. It also becomes part of the challenge issued by the FIDO server and hence the signature created in the course of the authentication process.
Hanko Authenticator App
Confirm transactions using Hanko Authenticator
How to add a transaction detail to an authentication request so users can confirm it with the Hanko Authenticator app.
The process for confirming transactions with the Hanko Authenticator is essentially the same as for the regular authentication process.
The main difference between the two is that when initializing the request you need to supply a request body with an additional