Fidelity Digital Assets Maps Bitcoin Quantum Resistance Options
Fidelity Digital Assets published a September 1, 2026 research note on Bitcoin quantum resistance, written by Daniel Gray. The note says a future cryptographically relevant quantum computer could threaten ECDSA and Schnorr private-key control once public keys appear on chain. Readers can review the SHRINCS design, signature-size trade-offs, and the soft-fork path Fidelity outlines for holders and custodians.
September 3, 2026