JUST IN: Largest Quantum Attack on Bitcoin's Elliptic Curve Cryptography to Date ‼️Are we cooked?👀 Researcher Giancarlo Lelli successfully derives a 15-bit ECC private key from public key — on publicly accessible quantum hardware using a Shor’s algorithm variant. 512x scale-up from the 6-bit demo in September 2025. ~6.9 million BTC now sit with exposed public keys vulnerable to this attack.(Bitcoin Archive)