Products
NFC-enabled FIDO2 security keys
These FIDO2 security keys feature built-in NFC chips, enabling seamless and native use with a wide range of modern smartphones, including both iPhones and Android devices that support NFC technology. This allows for convenient, contactless authentication without the need for additional apps or adapters — limitations may apply.
Optimize Desktop Experience with NFC Reader
While the ideal desktop setup includes a built-in NFC reader for direct interaction, such configurations are still relatively rare. To optimize your desktop user experience, consider using an NFC Reader device. For seamless compatibility and peak performance, we highly recommend employing the Token2 NFC Reader device.
Blog
04-04-2026
Understanding FIDO User Verification Modes and the always_uv Setting
Token2 R3.3 and later FIDO2 keys enforce user verification by default with always_uv = true, improving security, though some platforms and apps like Windows 10, macOS, and certain legacy clients may fail to handle this override correctly.
05-03-2026
Introducing TOTPVault — self-hosted TOTP management for teams
Most TOTP apps work by distributing copies of the secret to every person who needs access — fine for personal accounts, but for shared service accounts it means MFA secrets scattered across people's phones with no clean way to revoke access when someone leaves.
21-12-2025
Android, NFC, and the Missing Piece of WebAuthn
For years, Android users have faced a frustrating limitation—Android does not support CTAP2 over NFC. This means no PIN verification and no discoverable credentials (passkeys) when using NFC, and therefore limited to simple U2F-style flows without user verification. That said, there finally seems to be a solution.