Bitcoin quantum-security proposal published through SHRINCS BIP

A new Bitcoin Improvement Proposal covering the SHRINCS signature scheme has been published, according to Cointelegraph. The proposal is focused on upgrading Bitcoin to provide protection against quantum-computing threats. SHRINCS is presented as the basis for a quantum-secure approach to Bitcoin’s signatures. The publication marks the release of the proposal, but the supplied report does not detail an implementation timeline, network activation process or technical trade-offs beyond highlighting that the proposed security upgrade comes with a catch. No market reaction or price information was provided. The development is relevant to Bitcoin (BTC), the cryptocurrency network targeted by the proposed change. Cointelegraph published its report on August 27, 2026.