Why AI is now a more immediate threat to Bitcoin than quantum computers

Bitcoin’s biggest near-term security problem may not be a breakthrough against its cryptography, but the software and hardware already standing between a private key and its owner. As AI gets better at finding seams in that custody stack, even cold storage deserves a closer look.Bitcoin cold storage shuts one door. The rest of Bitcoin custody still hums with code, chips and human choices. The private key stays off an always-connected device; the machinery around it stays in play.Coinkite showed how in its July 30 technical disclosure, published in 2026. A 2021 integration change sent wallet seed generation down a MicroPython software fallback instead of the intended hardware random-number path. Later affected models still mixed some secure-element entropy. Coinkite called its numerical estimates preliminary. Bitcoin kept working as designed; the key factory stumbled.New firmware protects future generation. Seeds created under affected software carry their history. Coinkite tells users to replace those seeds and migrate funds, except when the original independent-dice-entropy condition applies.Coinkite also floated AI as a possible route to discovery. The disclosure labels that idea...