EsecuBit-Easily secure your cryptocurrencies


Keeps your cryptocurrencies in safe hands

EsecuBit-S300 is a card wallet with a built-in Secure Element chip, a bigger display screen and a thinner size. It securely manages your crypto assets and digital payments.


Portable and easy to use

Fits your wallet


Hardware RNG generates the private keys offline in the hardware.

The private keys will never be exposed to the external environment.


Built-in 32-bit financial security level SE chip

Low consumption

Verified by 80 million users

PIN-Protected prevents unauthorized use

  • Easy Backup

    Easy Backup

    A backup of your wallet in the form of 12/18/24 random English words will be generated at initial setup. 

  • Reliable Transaction

    Reliable Transaction

    Each transaction is visible in the display and must be manually approved using the confirmation button.

    Display screen directly connects to the Secure Element, effectively prevent the man-in-the-middle attack.

  • Fast Restoration

    Fast Restoration

    BIP32/BIP39/BIP44 compliant. Simply restore your wallet using your recovery phrases.


Product EsecuBit-S300
size 85.6*53.98*0.84(mm)
Display E-Paper, 256*256 pixel, 1.3’
Buttons 12 Capacitive Buttons + 1 Mechanical Button
Communication Interface Contact smart card interface (Equip with USB card reader)
Bluetooth(BLE 4.0)
Material PC
Battery 20mAh Rechargeable Battery
Standard BIP32, BIP39, BIP44
Certificate FCC, CE, RoHS, EAL5+
System Android, iOS
Algorithm Hash: RIPEMD160, SHA1, SHA256, SHA384, SHA512, Keccak256
Symmetric: DES, 3DES, AES
Asymmetric: RSA1024, RSA2048, ECDSA