At ETH Denver, developers warned that advances in quantum computing could threaten Bitcoin’s digital signatures as the industry continues to debate how to prepare.

CoinShares says quantum computing poses a manageable long-term risk to Bitcoin, with limited exposure, delayed timelines, and upgrade paths available.

Public-key cryptography can become unreliable in certain post-Q-Day scenarios. The earliest onchain stress is likely to concentrate in digital signatures (authorization and ownership) because they ...