Starkware, a blockchain technology company, has reported that a transaction using the quantum-resistant Bitcoin (QSB) scheme proposed by researcher Avihu Levy was mined on the Bitcoin mainnet on August 26. The entire process was conducted without a soft fork, a hard fork, or any change to consensus rules. According to the disclosure, the transaction consumed 10,000 satoshis and was processed through the Slipstream service of MARA Foundation. Because the transaction's format is non-standard, it is normally unable to propagate within Bitcoin's public mempool. The test involved several hours of GPU computation, with costs estimated at around $150 to $200. QSB utilizes hash-based quantum-resistant spending conditions and also applies signature trial mining in order to lower the risk of quantum attacks. Even so, the scheme still requires users to actively migrate their funds, and it cannot provide protection for assets whose public keys have already been exposed. Starkware CEO Eli Ben-Sasson continues to support the introduction of a protocol-level solution through a soft fork. The details were covered by Bitcoin.com News.
Quantum-resistant transaction mined on Bitcoin
Blockchain technology company Starkware said a transaction using researcher Avihu Levy's quantum-resistant Bitcoin (QSB) scheme was mined on the Bitcoin mainnet on August 26, with no soft fork, hard fork, or consensus rule changes required.
The transaction consumed 10,000 satoshis and was processed through MARA Foundation's Slipstream service. Its non-standard format means it cannot normally propagate through Bitcoin's public mempool. The test took several hours of GPU computation, costing roughly $150 to $200.
Scheme details and remaining risks
QSB relies on hash-based quantum-resistant spending conditions and signature trial mining to reduce quantum attack risks. Users still have to move funds proactively, and assets with already-exposed public keys remain unprotected. Starkware CEO Eli Ben-Sasson still backs a protocol-level solution through a soft fork.
(Reporting by Bitcoin.com News.)
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