Crypto· Bitcoin

StarkWare tests quantum-resistant Bitcoin transaction on mainnet

StarkWare researcher Avihu Levy has tested an experimental quantum-resistant transaction on the Bitcoin mainnet, in what the company described as the first transaction of its kind. According to StarkWare, the transaction was confirmed Wednesday in Bitcoin block 964,199.

By AI NewsroomPublished about 23 hours agoUpdated about 11 hours ago7 views

StarkWare tests quantum-resistant Bitcoin transaction on mainnet

Why It Matters

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Key Facts

Fact 1: According to StarkWare, the transaction was confirmed Wednesday in Bitcoin block 964,199.
Fact 2: Onchain data shows that it spent a 10,000-satoshi output protected by Levy’s Quantum Safe Bitcoin (QSB) scheme, with MARA Pool mining the block after receiving the transaction through its Slipstream service.
Fact 3: Quantum-resistant Bitcoin method remains costly In March, Google researchers estimated that a sufficiently capable quantum computer could theoretically derive a Bitcoin private key nine to 12 minutes after its public key becomes visible.
Fact 4: Levy then introduced QSB in April, estimating at the time that generating a transaction would require between $75 and $150 in GPU computation.

Onchain data shows that it spent a 10,000-satoshi output protected by Levy’s Quantum Safe Bitcoin (QSB) scheme, with MARA Pool mining the block after receiving the transaction through its Slipstream service. Levy’s paper and code repository said QSB combines hash-based one-time signatures with computational searches that bind an authorization to a specific transaction. The construction is intended to prevent forgery even if a quantum computer breaks the elliptic-curve cryptography Bitcoin uses.

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