Recent claims of a quantum breakthrough in cracking Bitcoin's cryptographic security have been met with skepticism from experts. Researcher Giancarlo Lelli reportedly used a cloud-based quantum computer to break a 15-bit elliptic curve cryptography key, sparking concerns about potential risks to Bitcoin's security. However, experts argue that the experiment's results were driven by statistical probability rather than genuine quantum computing power. Prominent figures in the Bitcoin community, including Adam Back, have criticized the claims, suggesting the method used was akin to classical brute-force techniques. Former Bitcoin Core developer Jonas Schnelli noted that the experiment tested around 20,000 of the 32,497 possible key combinations, indicating a high probability of success by chance. Experts emphasize that Bitcoin's security relies on 256-bit keys, which remain secure against current quantum capabilities.