According to @caprioleio, the US Dept of War has raised the alarm that a potential 'Q-Day' could arrive within three years, arguing BTC will not reach $1M per coin unless the quantum threat is addressed (source: @caprioleio on X, Oct 8, 2025). Bitcoin relies on ECDSA (secp256k1) for transaction signatures, which are theoretically breakable by sufficiently powerful quantum computers via Shor’s algorithm, making quantum security a systemic consideration for BTC (source: Bitcoin.org Developer Documentation; NIST Post-Quantum Cryptography program). U.S. standards bodies have already moved to mitigate such risks, with NIST publishing post-quantum cryptography standards in 2024 and the NSA’s CNSA 2.0 guidance setting migration timelines for national security systems, providing objective checkpoints for security transition risk (source: NIST 2024 PQC standards; NSA CNSA 2.0 guidance). For trading, monitor official NIST/NSA releases and any Bitcoin Core proposals on post-quantum signatures, as policy or development milestones can reprioritize BTC risk premia and hedging demand in derivatives markets (source: @caprioleio; NIST; NSA).