About the brand
Keycard is an open-source, card-shaped hardware wallet with an EAL6+ secure element that stores keys and signs transactions via NFC. It supports Bitcoin, Ethereum and EVM-compatible chains and works with many software wallets including MetaMask, Rabby, Sparrow and Nunchuk. Following the BIP32 standard, it can derive multiple wallets from a single master key.
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Keycard products
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