Keycard Shell(@Keycard_):Your wallet says it's secure. Can you prove it? Keycard Shell is the first fully modular and open-source hardware wallet: every line of code is public. No black boxes. No trust required. EAL6+ security. Works with MetaMask, Sparrow & more. Get your starter kit today.

Keycard Shell

@Keycard_

The most secure, modular hardware wallet for your crypto. One shell, many keycards. Join our community:

加入 January 2019

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Keycard Shell@Keycard_

2026.05.11 12:47

Your wallet says it's secure. Can you prove it? Keycard Shell is the first fully modular and open-source hardware wallet: every line of code is public. No black boxes. No trust required. EAL6+ security. Works with MetaMask, Sparrow & more. Get your starter kit today.