Quantum-Safe Bitcoin: StarkWare’s New ‘No Soft Fork’ Defense

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StarkWare researcher Avihu Levy proposed Quantum Safe Bitcoin (QSB), a quantum-safe scheme that runs within Bitcoin’s existing rules (no soft fork) to protect ECDSA-signed transactions and strengthen crypto security and protocol resilience. QSB would raise per-transaction computational costs to roughly $75–$150, creating a clear security vs. adoption/fee trade-off for Bitcoin, impacting short-term usability and market implications.
- StarkWare researcher Avihu Levy is behind the Quantum Safe Bitcoin (QSB) proposal.
- Instead of changing Bitcoin itself, QSB runs entirely within the network’s current rules.
- Transactions could cost $75 to $150 in computing power, far more than normal Bitcoin fees.
StarkWare’s new research proposal is stirring up the conversation about Bitcoin’s future security, suggesting that the network could fend off quantum computing threats without a disruptive, hard fork‑style upgrade.
The proposal, put forward by StarkWare researcher Avihu Levy, is called Quantum Safe Bitcoin (QSB). It’s a way to protect transactions from future quantum computers using Bitcoin’s existing infrastructure.
Right now, Bitcoin’s security relies heavily on elliptic curve cryptography (ECDSA), which protects wallets and transactions. However, a quantum computer powerful enough could, in the…
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