2-step verification with a hardware key (FIDO2/U2F).The most secure and convenient use to authenticate login.

For example:
• https://www.yubico.com/ ( https://www.yubico.com/works-with-yubikey/catalog/ )
• https://solokeys.com/

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FIDO2, U2F dongle support

Yubikey
https://www.yubico.com/
https://www.yubico.com/why-yubico/how-the-yubikey-works/

Technical documentation for developers:
https://www.yubico.com/why-yubico/for-developers/

Self-verified integration or Yubico-verified integration:
https://www.yubico.com/works-with-yubikey/

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After implementation, it would be nice to add to the directory:
https://www.yubico.com/pl/works-with-yubikey/catalog/

By the way, it is also an advertisement, because the promoted U2F solution in the catalog.