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Bitcoin Core changed its security policy because artificial intelligence can now find software bugs from a simple prompt, according to Bitcoinmagazine. Jameson Lopp, speaking in a video interview published October 27, 2026, described roughly two and a half months of exponential growth in vulnerability discovery and said attackers were the first to adopt uncensored AI models.
Lopp said security researchers “have not been able to get a lot of rest” during that period. The interview, produced by Bitcoinmagazine and presented by Patrick Green, covered the policy change, quantum computing timelines, an exposed-key estimate, and a PHP remote code execution flaw.
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Key facts
- Bitcoin Core updated its security policy because AI can identify bugs from a simple prompt, per the interview.
- Lopp described about two and a half months of exponential growth in vulnerability discovery.
- He said attackers adopted uncensored AI models before defenders did, leaving researchers short on rest.
- The discussion covered Google’s 500,000-qubit estimate and the gap between physical and logical qubits.
- Lopp also addressed the PHP remote code execution flaw, noting the fallout was smaller than expected.
From annual audits to the pipeline
The core argument is organizational rather than technical. If automated tools can surface bugs faster than human reviewers can triage them, a once-a-year security audit no longer matches the pace of discovery. Lopp said security now has to be real time and built into the development pipeline, replacing periodic review with continuous monitoring.
The interview also examined quantum risk. Lopp discussed Google’s 500,000-qubit estimate, distinguished physical qubits from usable logical ones, and explained why no quantum computer today has more than a few hundred usable qubits. He warned that if the timeline is under a decade, the industry is behind, and noted that a quantum upgrade would take years because of changes involving Taproot, consensus rules and untested cryptography.
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He also raised the share of addresses with exposed keys — cited in the interview as 30% — as a question of who attackers would target first, and discussed hardware that cannot be patched and wrench attacks that have topped 700. The PHP flaw analysis served as a case study in how automated discovery changes the speed of disclosure and response.
Why it matters
Bitcoin’s security model depends on a small group of reviewers catching flaws before they reach the network. If AI compresses the time between a bug’s introduction and its discovery, defenders face shorter response windows, and the pipeline shift Lopp describes affects every contributor who touches Bitcoin Core. The gap between attacker and defender adoption is the variable that determines how much of that pressure lands on users.
What to watch
The next signal is how Bitcoin Core’s revised policy translates into practice — how quickly patches are published and whether automated bug-hunting is folded into routine development review. The quantum timeline debate, including the physical-versus-logical qubit gap Lopp described, remains a slower-moving backdrop.
Source: Bitcoin Magazine
