this post was submitted on 09 Apr 2024
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Better yet: use a hardware 2FA token that supports passkeys
The issue is that most of them are limited in the amount of passkeys they can manage.
In the case of the Yubikey 5
How is 25 bad? Do you need a passkey for each service /app/website? Can't you use the same key for many services? (trying to understand how they work)
You only need one per website if you want it to autofill the username, because resident keys held on the security token can be recognized and suggested automatically but otherwise you must first enter your username on the website and let the website send its challenge value for the corresponding domain and account pair so that your security token can respond correctly.