StarkWare reported that utilizing artificial intelligence-driven programming lowered the estimated computational expense required to prepare a quantum-resistant Bitcoin transaction from $320 down to $66 by considerably accelerating the underlying search routine.
This technique can assist eligible Bitcoin holders in transferring their assets if quantum computing threatens vulnerable public keys prior to the network implementing a more comprehensive solution, operating entirely without necessitating a Bitcoin protocol upgrade.
The $66 valuation has not yet been validated in another successfully mined transaction, and this approach mandates routing transactions directly to miners while failing to secure coins whose public keys are already exposed.
One week of AI-assisted software development has driven the estimated graphics processing unit expenditure for generating a quantum-secure bitcoin transfer down to $66 from roughly $320, according to StarkWare, the organization behind the research.
The previous figure originated from a transaction added to the Bitcoin blockchain in August. Crafting it demanded approximately 3,100 hours of processing duration distributed across a cluster of roughly 100 graphics cards. That $320 represented the price of the computational effort executed prior to the transfer reaching Bitcoin, distinct from the fee compensated to record it onto the ledger.
Subsequently, StarkWare launched the source code into an open competition. Competitors, frequently collaborating with artificial intelligence coding utilities, attempted to expedite the scanning of potential answers. The leaderboard indicates that the top submission inspected nearly 881 million candidate solutions per second, compared to about 146 million managed by the initial code on the identical benchmark graphics processor.
This initiative tackles an impending vulnerability facing Bitcoin. A sufficiently capable quantum machine could leverage a wallet’s revealed public key to deduce its private key and misappropriate the funds. StarkWare’s strategy introduces an extra layer of defense utilizing cryptographic hashes, which are anticipated to resist such assaults. It conforms to Bitcoin’s current parameters, meaning that testing it avoided demanding network approval for a protocol upgrade.
Consequently, this mechanism serves as an emergency alternative for shifting qualified assets if the quantum threat materializes before Bitcoin adopts a broader remedy. Deploying it extensively would prove costly at $320 in computing overhead per transfer—meaning a reduced price tag could render the option significantly more viable.
Read More: Quantum-safe bitcoin now possible without a soft fork, but costs $200 a pop, new research shows
The $66 valuation remains a projection derived from a computational benchmark evaluation. The refined code has not yet been demonstrated producing another transaction recorded on Bitcoin.
Applying the velocity enhancements showcased on the competition portal to its cited $320 expenditure breakdown results in approximately $83, based on CoinDesk calculations. The platform notes that subsequent record-breaking runs surpass those metrics, though without detailing which exact outcomes drive the transaction expense projection down to $66.
At the same time, this technique faces limitations extending beyond mere financial cost. These transfers must be dispatched straight to a miner because they do not propagate across the network through standard pathways, and they fail to shield coins whose public keys are already visible, representing precisely the demographic a quantum adversary would target first.
Originally published at https://www.coindesk.com/tech/2026/09/24/a-week-of-ai-coding-cut-a-quantum-safe-bitcoin-transaction-estimate-from-usd320-to-usd66.
