CryptoKeySafe CK bracket markCRYPTOKEYSAFE
CC EAL5+ + Card Form
CoolWallet 

Credit Card Sized Hardware Wallet with Bluetooth

CryptoKeySafe Security Review

CoolWallet produces hardware wallets in a credit card form factor with a CC EAL5+ secure element and Bluetooth connectivity. The CoolWallet Pro targets active traders and DeFi users with built in staking, swap, and WalletConnect integration, while the CoolWallet S covers core cold storage needs at a lower price point.

Specifications

CoolWallet Pro

Secure Element:CC EAL5+
Connectivity:Bluetooth
Display:E Ink display
Supported Assets:12,000+ tokens
Price:~$149
  • Credit card size fits in any standard wallet
  • Built in staking for multiple chains
  • WalletConnect integration for DeFi
  • Rechargeable battery (2 hours charging, weeks of use)

Strengths

  • Credit card form factor is the most portable design
  • CC EAL5+ certified secure element
  • Built in DeFi access through WalletConnect
  • Water resistant and durable card design

Considerations

  • Bluetooth only (no USB fallback for signing)
  • Small display limits on device verification
  • Battery requires periodic charging

Our Verdict

CoolWallet Pro is ideal for users who want a hardware wallet that physically fits in their regular wallet. The card form factor and Bluetooth connectivity make it the most portable option with DeFi capabilities built in.

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