A global and intensified competition between technology corporations, independent scientists and novice programmers is pushing the limits of quantum computing with the goal of breaching Bitcoin’s cryptography.
The origin of this technical escalation dates back to March 30, when Google’s quantum intelligence division published a high-impact technical document. In said report, collected by CriptoNoticias, the North American company estimated that a quantum computer equipped with less than 500,000 physical qubits—basic quantum processing units—would be capable of breaking Bitcoin’s public key in a period of less than 9 minutes.
This statement represented an optimization close to 20 times compared to the most efficient calculations previously recorded by the academic community.
However, the technology corporation decided not to disclose the specific designs of the quantum structures that would make such a computer offensive viable. To validate its claims without revealing the original code, Google implemented a cryptographic method known as zero-knowledge proof.
The situation of trust around Google’s experiment was complicated when the security firm Trail of Bits detected critical vulnerabilities in the zero-knowledge verification software used by the multinational. These failures allowed the generation of falsified evidence that was cryptographically indistinguishable of the legitimate ones.
Although Google quickly corrected the code and confirmed that its initial scientific conclusions were not altered by this technical failure, the incident led to various independent experts Much more rigorous and in-depth technical reviews will begin.
Furthermore, this barrier of theoretical opacity raised alarm bells within the digital security environment and set a very clear public objective. The publication of the final result acted as a catalyst that incited the global community of cryptographers to compete openly to replicate the finding.
Who is competing to “break” Bitcoin?
Among the competitors, the French researcher André Schrottenloher stands out, who managed to reconstruct and surpass the efficiency of the quantum attack circuits that Google Quantum AI maintained strict commercial secrecy. This advance revealed that the decentralization of scientific research, powered by swarms of Artificial Intelligence (AI), is drastically reducing the estimated time frames for testing network security.
According to the specialist, his study focused directly on optimizing Shor’s quantum algorithm to act on the secp256k1 scheme, which corresponds to the specific elliptic curve used by Bitcoin to ensure the protection of its digital signatures. The primary objective of this approach was to derive private keys from public addresses using the least amount of resources and time as possible.
Data published by Schrottenloher revealed that his design achieved a reduction of between 6.5% and 10% in the so-called Toffoli doors compared to the model kept in reserve by Google, requiring in return a marginal increase in just 1.5% in the volume of qubits needed.
Toffoli gates represent the most computationally expensive operations within Shor’s algorithm and directly determine the potential speed of the attack. In theoretical terms, reducing the count of these gates translates into the viability of a substantially faster or executable attack with a smaller technical infrastructure.
Other competitors to improve Shor and “break” Bitcoin are within organizations like EigenCloud. There, an undergraduate student, lacking formal training in quantum systems, managed to double the efficiency of Google’s circuits using only automated AI agents.
A few days later, another researcher from that firm, barely 18 years old, reached 80% of the efficiency of Google’s confidential model through its own system of intelligent agents and an investment of $10,000 in cloud computing capacity.
The main competitor, however, is Google, which under attempted confidentiality advanced tests on account of “breaking” Bitcoin. However, this silence did not last long because on June 1, researcher Schrottenloher shared his results in the open access scientific repository arXiv.
A call for caution in the face of quantum advancement
The analytical community maintains a cautious stance regarding these findings. Schrottenloher’s document does not alter physical hardware projections required nor does it modify the 9-minute execution time originally postulated by Google engineers.
Likewise, it is highlighted that this new scientific work is in a preliminary stage and has not been subjected to a formal review process in pairs at the time of its dissemination. Therefore, the real impact on the Bitcoin network is conditional on the existence of physical hardware architectures that the text does not detail.
In any case, this computer evolution raises a profound debate about security policies and corporate secrecy. Alex Thorn, head of research at the Galaxy firm, analyzed the implications of this phenomenon indicating that, although this finding does not immediately provide any actor with the real ability to break the security of Bitcoin, it does reveal the immense power that distributed research possesses when it is executed by swarms of digital agents.
The race to compromise the cryptographic foundations that underpin Bitcoin is taking place today in a decentralized and global virtual environment, connecting corporate laboratories with open science repositories. The combination of distributed research networks and advanced AI tools demonstrates that the monopoly on technological innovation It is no longer restricted to large Silicon Valley corporations.
This new scenario of constant technical siege underlines the need for developers and the Bitcoin community to accelerate – as they have done so far with BIP 360 and 361 – update plans and implementation of protocols with quantum resistance in the medium term, guaranteeing the immutability of the protocol against the threats of the computational future and the imminent Q-Day.