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Keystone logo

Keystone

WalletsPaid
★4.4

Air-gapped hardware wallet with a 4-inch touchscreen. Uses QR codes for all communication — no USB or Bluetooth needed. Open-source firmware.

Key Features

  • ✓4-inch touchscreen
  • ✓100% air-gapped via QR
  • ✓Open-source firmware
  • ✓MetaMask compatible
  • ✓Multi-chain support
  • ✓Fingerprint unlock

👍 Pros

  • +Large clear display
  • +True air-gap security
  • +Open source
  • +MetaMask integration

👎 Cons

  • −Less brand recognition
  • −QR scanning adds friction
  • −Battery needs charging

Tags

hardware-walletair-gappedqr-codeopen-sourcetouchscreen
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PricingPaid
CategoryWallets
Rating
★4.4
AddedApr 5, 2026
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