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AI-Assisted Developers Cut Quantum-Safe Bitcoin Cost Estimate to $66 in StarkWare Contest

The challenge produced 62 accepted improvements and cut the estimated computing cost by about 79%, StarkWare said.

  • StarkWare reported that a weeklong optimization challenge cut the estimated GPU cost of preparing an experimental Quantum-Safe Bitcoin transaction to $66, down from approximately $320 in August.
  • Participants in the Quantum-Safe Bitcoin Optimization Challenge, many using AI-assisted tools, contributed 62 accepted improvements to enhance the design against potential quantum attacks.
  • Benchmarks show the leading submission checks about 881 million candidates per second, compared to roughly 146 million previously, though StarkWare notes these remain estimates from test computations.
  • Described as a "last-resort measure," the QSB method remains complex and expensive, currently protecting only specific holdings rather than the entire Bitcoin network.
  • Functioning within existing Bitcoin rules, the QSB design avoids requiring a network upgrade, building on the first transaction successfully confirmed in August via MARA's Slipstream service.
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The cost of protecting the bitcoin against quantum computing has fallen sharply in a few days. An open competition led by StarkWare, Yukon Research and Eigen Labs has allowed developers and agents of AI to speed up the necessary calculations. In a week, the estimate has grown from about $320 to $67 in GPU calculation. This drop shows above all how the optimization of the code can reduce the resources needed to build transactions capable of bette…

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TFTC broke the news on Thursday, September 24, 2026.
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