Dimensions: 85.6 x 45 x 0.6 mm
Weight: 3 grams
Material: PETF
Processor: Arm SecurCore SC000
Fabrication: 65 nm
Antenna: copper coil, energy harvesting
Interface: NFC ISO 14443 A / B, 13.56 MHz
Cryptography: 3DES, AES, RSA, ECC
Elliptic Curve: secp256k1
Certifications: CCRA EAL6+, EMVCo, IP68
Security Audit: Kudelski Group
Firmware Audit: Kudelski Group
Compatibility: Android or
iPhone (NFC)
To use KardX, all you need is your NFC-equipped smartphone. No need to connect it to a PC as many other hardware wallets require you to. KardX is simple, seamless and satisfying to use.
The KardX app is your gateway to fully utilising KardX's state-of-the-art storage technology. The app also allows you to send and receive crypto from any valid hot wallet address anytime anywhere.
Each KardX is protected with a unique access code. In the event that you forget your code, you can simply rescan your card onto your smartphone to restore the code.
KardX is equipped with powerful Samsung chips that enable transactions that are fast and reliable direct to any existing hot wallet.