X3 Smartcard All In One |link|
| Feature | X3 Smartcard All In One | YubiKey 5 Series | Standard HID Prox Card | | :--- | :--- | :--- | :--- | | Physical Access | Yes (Multi-format) | No | Yes (1 format only) | | Crypto Wallet | Yes (Offline signing) | No | No | | Biometric On-Card | Yes (Match-on-card) | No | No | | Computer Login | PIV/CAC + FIDO2 | FIDO2 only | No | | Memory | 512KB | 64KB | 4KB | | Price (Per unit) | $89.00 | $65.00 | $12.00 |
No physical device is 100% unbreakable, but the X3 Smartcard All In One comes terrifyingly close. The chip is resistant to side-channel attacks (power analysis, timing attacks), and the "Active Shield" layer instantly zeroizes the flash memory if a micro-probe is detected. X3 Smartcard All In One
He slid his own X3 into the terminal. The card glowed soft blue—authenticated. Then red—alert. Then a deep, pulsing violet. | Feature | X3 Smartcard All In One