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5 sats \ 1 reply \ @OT 3 Jun \ on: Keycard Next-Gen Hardware Wallet Looking for Contributors bitcoin
I haven't heard of it before. What is "next gen" about it? It's something you can build yourself?
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33 sats \ 0 replies \ @anon 4 Jun
You can build yourself, yes if you are really dedicated to it, it's open source from software to hardware (schematics, BOM -- all of it): https://github.com/keycard-tech/
Second, it's more secure because keys stay on the Keycard's secure element, even during signing.
Since keys stay on the card, you can use unlimited Keycards with any Shell - for multiple seeds, or encrypted backup cards.
Shell also has a Duress PIN. Works airgapped without usb cable (other than charging). Works via QR with most big wallets: UniSat, BlueWallet, Sparrow, BackPack, imToken & 10+ more via BC UR and ERC-4527. And replaceable Nokia BL-4C battery.
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