StarkWare Completes First Quantum-Safe Bitcoin Transaction

This is a proof-of-concept milestone, not a protocol shift. The significance lies in demonstrating that quantum resistance can be layered on top of Bitcoin's existing infrastructure, which addresses a growing theoretical vulnerability without requiring consensus changes. It affects long-term holders and custody solutions that prioritize future-proofing, but the several-hundred-dollar cost per transaction highlights a current scalability and affordability barrier. The open question is whether this approach can become cost-effective and widely adopted before quantum computers pose a practical threat, or if it remains a niche safeguard for high-value assets.