No official phone numbers are published by HashWallet. All communications are through email and social channels.
HashWallet is a Spain (ES)–based hardware wallet solution developed by eSignus, a digital security company specializing in self-custody of cryptocurrencies. Unlike traditional hardware wallets, HashWallet is a biometric smart card that resembles a credit card, offering secure and portable cold storage. eSignus focuses on combining usability, strong cryptography, and compliance to meet both retail and institutional needs. By pairing with the HashWallet Manager app, users can store, send, and receive digital assets while safeguarding private keys inside the secure card chip.
Smart Card Cold Wallet: Credit card–sized wallet, easy to carry and use.
Biometric Security: Supports fingerprint authentication for secure access.
Companion Manager App: Mobile app for managing assets, transactions, and monitoring portfolio.
Multi-Currency Support: Bitcoin, Ethereum, ERC-20 tokens, and more.
Secure Chip: Private keys stored offline and never leave the card.
PIN & Recovery Options: Additional security for lost or stolen devices.
Institutional-Grade Compliance: Designed to meet regulatory standards for enterprises.
Durable & Portable: Water- and tamper-resistant design for long-term use.