Quantum Safe Bitcoin (QSB) uses signature grinding and hash-based one-time signatures to limit public-key exposure in the mempool. The method binds authorization to specific transactions, protecting against elliptic-curve breaks without requiring a soft fork or hard fork.
The Bitcoin security consensus held that only a protocol fork could protect holdings against quantum computers. StarkWare's demo proves protection possible through clever application-layer design, adding flexibility to Bitcoin's quantum roadmap.
Transactions currently require direct submission to MARA's Slipstream service, as Bitcoin nodes reject non-standard formats. Levy continues advocating for protocol-level soft fork support to make quantum resistance native and automatic.
If quantum computers break elliptic-curve cryptography, billions in dormant Bitcoin addresses become vulnerable. QSB demonstrates a bridging solution before quantum threats mature, giving Bitcoin holders a proactive security path.
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