StarkWare Executes ‘Quantum-Resistant’ Bitcoin Transaction on Mainnet

StarkWare said Aug. 29 that it had successfully processed a transaction on the Bitcoin mainnet using its Quantum Safe Bitcoin, or QSB, technology.

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Aug 29, 2026 at 11:43 AM UTC · 1 dk okuma

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StarkWare said it successfully processed a transaction using Quantum Safe Bitcoin (QSB) technology on the Bitcoin (BTC) mainnet.
StarkWare said it handled a quantum-resistant transaction under Bitcoin’s existing consensus rules, without a soft fork, hard fork or core protocol upgrade.
The transaction was worth 10,000 satoshis and required several hours of GPU computation and about $150 to $200 in costs, highlighting limits on practical use.

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StarkWare said Aug. 29 that it had successfully processed a transaction on the Bitcoin mainnet using its Quantum Safe Bitcoin, or QSB, technology.

QSB adds transaction conditions designed to defend against attacks by quantum computers. StarkWare researcher Avihu Levy developed the technology on Aug. 26.

The transaction did not require a soft fork, hard fork or Bitcoin core protocol upgrade. StarkWare said it processed the quantum-resistant transaction using Bitcoin’s existing consensus rules.

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The transaction was worth 10,000 satoshis.

Practical use remains limited. Processing the transaction required several hours of graphics processing unit, or GPU, computation and cost about $150 to $200.

StarkWare Chief Executive Officer Eli Ben-Sasson said he still wants Bitcoin to adopt a soft fork and expects that to happen.

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Originally reported by bloomingbit

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