Products
Authenticator app replacement
Token2 programmable tokens are a "drop-in" replacement of OTP mobile apps (such as Google Authenticator or similar). They can be used with authentication backends requiring TOTP tokens and are compatible with services generating the seed at the server side (and not allowing to import seeds)
Under your full control
Special apps, tools or scripts available under different platforms can be used to "burn" the secret hash seeds and configure other parameters. Some of the apps require an NFC module to operate.
Blog
26-06-2026
Libre Key Companion : manufacturer-agnostic security key manager for Android
We're happy to announce Libre Key Companion, a new open-source Android app for managing hardware security keys and cards from any manufacturer over NFC and USB. It allows to manage features like FIDO2 and OTP/OATH.
17-06-2026
An open-source, cross-platform way to manage your Token2 keys: Companion App - Rust edition
Token2 Companion - Rust edition - an open-source, cross-platform desktop tool for managing Token2 keys, and keys from other vendors too. It runs on Windows, macOS, and Linux, and the whole thing is open source: you can read it, audit it, build it, and extend it.
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.