Why ECDSA Keys Are a Liability in 2026

By QuantaLabs | April 2026 | quantalabs.cc | quantachain.org Five days ago, an independent researcher named Giancarlo Lelli broke a 15-bit elliptic curve key on a publicly accessible IBM quantum computer and collected a 1 BTC bounty from Project Eleven. The result was debated — some Bitcoin developers showed the winning result could be replicated with random noise, suggesting limited true quantum advantage at this scale. But the debate misses the point entirely. The real story is what happened t