You asked, we delivered! All Proton mobile apps now support #FIDO2 for #2FA. 🎉 

Use security keys like YubiKey for an extra layer of protection. Here’s how: https://proton.me/support/2fa-security-key

https://files.mastodon.social/media_attachments/files/113/283/246/541/096/268/original/a48d482861138296.png