Bitcoin-Cash price remains in focus as the network's developers review a proposal aimed at making future transactions more resilient to advances in quantum computing. The proposal is still under discussion and is not an active consensus rule.
Proposal enters final review phase
According to The Quantum Insider, CHIP-2026-06 proposes an OP_SIGHASH opcode for the Bitcoin Cash virtual machine. It would expose the transaction signature hash already calculated during signature verification, making it easier for contracts to use alternative signature schemes.
The proposal also describes a dispatch mechanism for different signature types, including existing secp256k1-based signatures and potential post-quantum schemes such as SPHINCS+ and Falcon-512. Hybrid signatures would require both classical and post-quantum checks to succeed. The design is intended to provide a migration path while retaining existing address formats and wallet compatibility.
Dates remain subject to approval
CHIP-2026-06 is being considered for potential lock-in on November 15, 2026. The same proposal targets mainnet activation for May 15, 2027, but both dates depend on the continuing review and the Bitcoin Cash improvement process. The Quantum Insider reports that Bitcoin Cash Node developers have opened a merge request implementing the opcode; that development work does not mean the change is already deployed.
Market context for BCH
Bitcoin-Cash price data from Kinzan showed BCH at 230.74 US dollars at 23:49 UTC on November 10, 2026. The source reported a 3.25 percent decline over the preceding 24 hours and described the move as a minus-0.9-standard-deviation session relative to 20-day volatility of 3.47 percent. For a fixed daily reference, Kinzan listed the November 10 UTC close at 238.54 US dollars.
The same data set showed a 52-week context was not available on that page, but BCH's recent daily closes had fallen from 281.83 US dollars on November 4 to 238.54 US dollars on November 10. That sequence places the technical market backdrop on a weaker footing, although it does not establish that the proposal caused the price movement.
What investors should monitor
The key near-term event is the November 15 review deadline. Investors tracking BCH should distinguish a proposal, a possible lock-in and eventual activation: only the final step would make the change a live network rule. Further community feedback, implementation status and the treatment of initial post-quantum schemes are therefore more immediately relevant than the proposal's long-term potential.
More Bitcoin Cash coverage is available on the Bitcoin Cash topic page.
