No official phone numbers are published by Tangem. All communications are through email and social channels.
Tangem is a Swiss (CH)–based cryptocurrency wallet provider known for its card-shaped cold storage devices. Founded in 2017, Tangem reimagines self-custody by creating hardware wallets that look and feel like regular bank cards. Each card comes with a built-in secure element chip, eliminating batteries, cables, or screens. Tangem wallets allow users to store, send, and receive crypto assets with tap-and-go NFC functionality through a companion mobile app. The design focuses on portability, simplicity, and military-grade security.
Card-Style Wallets: Thin, credit-card-like cold wallets using secure element chips.
NFC-Based Operation: Interacts with mobile phones via near-field communication (NFC) — no cables, no Bluetooth, no Wi-Fi.
Battery-Free Design: Cards last for decades without requiring charging or replacements.
High Security: Uses EAL6+ certified chips, resistant to tampering and side-channel attacks.
Multi-Currency Support: Store Bitcoin, Ethereum, stablecoins, tokens, and NFTs across multiple blockchains.
Mobile App Integration: iOS and Android apps provide a simple interface for asset management.
Durability: Water-resistant, dustproof, and designed to function in harsh conditions.
Warranty & Support: Standard warranty included; customer support available globally via online system.