PostA popular concern says post-quantum signatures cannot run on the hardware wallets people already own.

19 August 2026

Blockstream

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A popular concern says post-quantum signatures cannot run on the hardware wallets people already own. Blockstream Research implemented hash-based schemes on four popular devices. All four signed. SLH-DSA, the NIST standard, in about two minutes at worst. https://blog.blockstream.com/hardware-wallets-post-quantum-signatures/

639 · 23:36

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