Zach Herbert explains Foundation’s QuantumLink, a post-quantum Bluetooth bet for hardware wallets

Foundation Devices wants Passport Prime users to get real-time connectivity without trusting the radio inside the wallet For years, the gold standard of hardware wallet caution was simple: never let the device talk to anything. Foundation Devices built its reputation on that idea, and now it is teaching its newest wallet to use Bluetooth. Zach Herbert, co-founder and CEO of Foundation Devices, has been walking people through QuantumLink, the company’s secure Bluetooth protocol for the Passport Prime hardware wallet. The pitch is ambitious: live connectivity, the kind of isolation air-gapped setups were built to provide, and encryption designed with future quantum threats in mind. Foundation’s earlier air-gapped approach moved data around with QR codes.

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