Michael Saylor, Dec. 16: Quantum will harden Bitcoin; 1.7 million coins exposed

On Dec. 16, Michael Saylor argued that quantum advances will harden Bitcoin rather than break it. The piece outlines standardized post‑quantum signatures and warns that exposed outputs, including roughly 1.7 million BTC in early P2PK, could be prime targets. It also highlights migration costs, potential fee pressure, and the need for broad coordination across the network.