Cold storage architecture designed to keep your private keys completely offline and secure from any digital threats.
From key generation to transaction signing — all without internet exposure
Private keys generated inside Secure Element chip using true random number generator. Keys never leave the device.
Keys stored in EAL6+ certified chip, protected by PIN and physical security features. Air-gapped from networks.
Every transaction displayed on OLED screen. Manual approval required before signing.
Signed transaction sent to blockchain network. Private key never exposed during entire process.
Defense-in-depth architecture protects against all attack vectors
Chip: EAL6+ certified Secure Element (Common Criteria)
Resistance: Side-channel attacks, fault injection, electromagnetic analysis
Certification: CC EAL6+, FIPS 140-2 Level 3
Key Storage: Hardware-isolated memory, impossible to extract
NFC: ISO/IEC 14443 Type A/B, 13.56 MHz, encrypted channels
Bluetooth: BLE 5.2, AES-128 encrypted pairing
USB-C: USB 2.0, charging + data transfer (signed only)
Range: NFC: 4cm, BLE: 10 meters
Type: Monochrome OLED, high contrast
Resolution: 128x64 pixels
Purpose: Transaction verification, address confirmation, security warnings
Brightness: Auto-adjusting, power-efficient
Battery: 200mAh lithium-ion polymer
Standby: 30 days typical usage
Active Use: 4-6 hours continuous operation
Charging: USB-C, 1 hour full charge
Supported: Bitcoin, Ethereum, Solana, Polygon, BSC, Avalanche, Cardano, Polkadot, and 40+ more
Standards: BIP32, BIP39, BIP44, EIP-155, SLIP-0044
Tokens: ERC-20, ERC-721 (NFT), ERC-1155, SPL tokens
Updates: New chain support via firmware updates
Dimensions: 85mm × 54mm × 4mm (credit card form factor)
Weight: 48 grams
Materials: Aircraft-grade aluminum frame, Gorilla Glass front
Durability: IP54 rated (dust and splash resistant)
Follow our step-by-step guide to securely initialize your cold storage wallet
Setup Guide