Tangem Wallet

Tangem Wallet A cold storage hardware wallet in a credit card form factor. Stores your private keys on a certified secure chip inside the card — keys are generated on-device and never leave it. No battery, no USB, no cables. You sign transactions by tapping the card to your phone via NFC. Rated IP69K (fully waterproof and dustproof), handles temperatures from −25°C to +50°C, and built to last 25+ years. Comes as a set of 3 cards — the extra cards act as physical backups, replacing the need for a paper seed phrase. Supports 16,000+ assets across 90+ blockchain networks, managed through the Tangem app on iOS and Android. Details Samsung S3D232A secure chip, EAL6+ certified NFC tap-to-sign, no battery or charging required IP69K waterproof and dustproof −25°C to +50°C operating range 16,000+ supported assets across 90+ networks Seedless by default — backup via cards, seed phrase optional 25-year warranty What's Included 3 Tangem wallet cards Quick start guide