Charles Edwards, founder and CEO of Capriole Investments, has issued his starkest warning yet on quantum computing, arguing that Bitcoin must migrate to post-quantum signatures on an accelerated timeline or face existential risk later this decade. “We need to upgrade Bitcoin to be Quantum proof next year. 2026. Otherwise we are fucked,” Edwards wrote on X early Monday, escalating a series of posts in which he contends “Q-Day is this decade.”
Could Bitcoin Crash To $0?
Edwards’ thesis hinges on the rapid compression of resource estimates required to run Shor’s algorithm against Bitcoin’s elliptic-curve digital signatures (ECDSA/Schnorr on secp256k1). Pushing back at skeptics who “handwave Quantum as being 20+ years away,” he argued that only “~2,000 logical qubits” may be sufficient to break ECC-256 within a practical time window, placing a credible attack in “2–6 years.” In a separate exchange he framed the stakes bluntly: “Do you want $1M Bit
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