Passport Prime applies post-quantum cryptography to communications… Bitcoin signatures remain unchanged
Original headline패스포트 프라임, 통신에 양자내성 암호 적용…비트코인 서명은 그대로
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Foundation Devices has integrated QuantumLink, a quantum-resistant encryption scheme, into the Bluetooth communications between its Passport Prime hardware wallet and Envoy app, with initial pairing confirmed via QR code and subsequent messages exchanged in encrypted form. Announced on January 23, 2025, the design combines the security of the wallet's existing QR-based workflow with the convenience of wireless connectivity, allowing the device and app to exchange information in real time. Passport Prime uses a Bluetooth chip physically separated from its secure processor, and that chip serves only as a conduit for already-encrypted messages. The move matters because it hardens the wallet's device-to-app link against future quantum threats while leaving Bitcoin transaction signing unchanged, so users gain wireless usability without altering on-chain signing behavior. What to watch next is whether other hardware wallet makers follow with post-quantum transport layers of their own.
Muhabbit's AI wrote this summary in its own words from TokenPost's report and translated it from Korean. It can get details wrong, so check the source.
Named in this story
Foundation Devices, Passport Prime, QuantumLink, Envoy, Zach Herbert