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Keycard

Keycard

Hardware Wallets·Switzerland·keycard.tech

About Keycard

Keycard is a hardware wallet manufacturer that produces NFC-based smart card devices for secure self-custody of cryptocurrency private keys. The product line includes the Keycard smart card and the Keycard Shell, an air-gapped hardware wallet employing a modular architecture in which each physical card stores a single mnemonic phrase. The Keycard Shell holds EAL6+ secure element certification and operates as open source software. The system supports Ethereum and is compatible with mobile, desktop, and air-gapped deployment configurations. Keycard maintains affiliations with the Status and Logos ecosystem and implements the Clear Signing standard for transaction verification.
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last updated 25 Oct 2026

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