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USB-C to USB-A Adapter
Looking to use your FIDO2 Type-C key with devices that only have USB Type-A ports? Our FIDO2 USB-C to USB-A adapter makes it possible!
This adapter is specifically designed to connect your FIDO2 USB Type-C key to any device with a USB Type-A port, enabling secure and convenient authentication. With its durable construction and easy-to-use design, this adapter ensures a seamless experience every time you authenticate with your FIDO2 key.
Specifications
| Specification | Details |
|---|---|
| Connector Type | USB-C (female) to USB-A (male) |
| Compatibility | Supports FIDO2 protocol on compatible devices |
| Protocol Support | FIDO protocols only |
| Material | Durable, high-quality construction |
| Size | Compact and portable |
| Usage | Plug-and-play, no additional drivers required Lightweight for easy carrying A keyhole for convenient attachment to keychains (ropes recommended) |
| Color | Black and Silver |
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.