On the internet today, our online accounts are exposed to a lot of risks. Leaked passwords from break-ins at major Internet properties or phishing attacks have lead to many account breaches. In order to protect my high-value accounts, I have either enabled two-factor authentication or I use federated sign-in, delegating to an account that has 2FA enabled (usually Google).
Recently, the FIDO industry association and the W3C have come up with WebAuthn, an open standard to promote passwordless sign-in using hardware tokens. If you run Android 7 or newer, you can use your phone as a token, and I have additionally bought a hardware Security Key from Yubikey to give this a try.
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