What is Keycard Shell?
Keycard Shell is an open-source crypto hardware wallet, compatible with 10+ major software wallets. It uses smart cards (the same technology as credit cards) as secure key storage and signing device (EAL6+). It also features a duress pin, replaceable battery.
Problem
Users need secure storage for crypto keys but rely on traditional hardware wallets with lower security certifications (e.g., EAL5+) and bulkier designs
Solution
An open-source crypto hardware wallet using smart cards (EAL6+) for secure key storage, supporting 10+ software wallets, duress pin, and replaceable battery
Customers
Cryptocurrency users and developers seeking portable, high-security key management
Unique Features
Open-source design, EAL6+ certified smart card tech, duress pin, replaceable battery, broad software wallet compatibility
User Comments
Praises open-source transparency
Appreciates lightweight design
Values duress pin feature
Highlights compatibility with multiple wallets
Notes ease of use compared to competitors
Traction
Launched on ProductHunt (exact stats N/A)
Compatible with 10+ major wallets like MetaMask, WalletConnect
Market Size
Global hardware wallet market projected to reach $1.5 billion by 2030 (CAGR 24.3% from 2023)
