A claimed quantum breakthrough targeting Bitcoin cryptography is facing immediate scrutiny from analysts. Early reviews show no clear quantum advantage. Tests suggest the method can be replicated without quantum systems, raising doubts about its relevance to Bitcoin security.
On-chain analyst Checkmate rejected the claim in a post on X. He said the quantum component could be replaced with a random number generator. He added that the same results would still appear under that setup.
The method was analyzed by independent developer Yuval Adam. He re-created the procedure with random data rather than quantum output. Test results showed that his test has the same key recoveries as the original claims.
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Replication Test Uses Random Data Instead of Quantum Output
Adam founded his work on a demonstration that was aligned with a Project Eleven reward. The reward was provided by finding a 15-bit elliptic curve key. The first process was an IBM quantum system that produced output.
He took the quantum calls out of code. He substituted them with random bytes out of a standard system source. The results of the keys recovered were the same as the ones reported.
Adam explained that the technique relies on trial and error. Outputs are the inputs that satisfy a verification process by the system. Valid keys are obtained over time by trial and error.
He termed the process “probabilistic.” He pointed out that with sufficient random guesses, it will one day come up with a valid result. The action is compatible with old-fashioned brute-force approaches.
The standard of Bitcoin was to use very small keys compared to the test used. With 15 bits, there are only 32,767 possible combinations. Basic computers find it easy to search such a variety.
Bitcoin Remains Secure as Quantum Claim Falls Short
This disconnect makes the result less relevant in real-world implications. Bitcoin operates 256-bit cryptography, which is much more complicated. The demonstration is not that difficult.
Checkmate replied that the outcome reveals what bitcoin safeguards against. Adam also dismissed quantum progress assertions. He called the approach a brute-force search with random input.
The industry is still undergoing research on quantum computing. Other estimates indicate that tremendous systems would be required to compete with Bitcoin. The necessary magnitude is still too big to be demonstrated to date.
The developers are making preparations for long-term risks. Quantum-resistant formats are described in propositions like BIP-360 and BIP-361. Efforts are being made to modify systems in case of any future threats.
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