Bitcoin Cash price in focus as quantum-signature proposal nears lock-in
Published on 11/12/2026 at 13:03 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSQuantum upgrade enters decision phase
- Bitcoin Cash developers are reviewing CHIP-2026-06, a proposal for post-quantum and hybrid signatures.
- The proposed lock-in date is November 15, 2026, with mainnet activation targeted for May 15, 2027 if the review concludes without objections.
- Investing.com displayed BCH at 235.58 US dollars at 13:47:25 Berlin time on November 12, with a market capitalization of 4.75 billion US dollars.
Bitcoin Cash is approaching a protocol decision that could shape how the network handles future cryptographic risks. Developers are reviewing CHIP-2026-06, a proposal for post-quantum and hybrid signatures, with a potential lock-in on November 15, 2026. The proposal remains under discussion and is not an active network rule.
At 13:47:25 Berlin time on November 12, Investing.com displayed the Bitcoin Cash price at 235.58 US dollars. The same page showed a 24-hour trading volume of 195.26 million US dollars, a market capitalization of 4.75 billion US dollars and a rank of 18. Its displayed 52-week range was 181.10 to 668.87 US dollars. Because the page does not provide a verified UTC previous-day close in the retrieved data, the displayed percentage change is not presented here as a UTC daily move. Investing.com identifies the instrument as BCH/USD.
What the proposal would change
According to The Quantum Insider, CHIP-2026-06 would introduce the OP_SIGHASH opcode. It would expose the transaction signature hash already calculated by the virtual machine, rather than requiring contracts to recreate that process.
The design also proposes a registry for different signature schemes. Hybrid keys would combine a current classical scheme such as secp256k1 with a post-quantum scheme, requiring both checks to succeed. The reported design aims to preserve ordinary P2PKH outputs and existing address formats, although implementation, review and the choice of initial schemes remain unresolved.
Lock-in is not activation
The proposed timetable separates two events. The November 15 date is a potential lock-in point for deciding whether the proposal is sufficiently ready for the next upgrade. The targeted mainnet activation date is May 15, 2027, according to The Quantum Insider. CryptoTicker likewise describes both dates as dependent on the ongoing developer review and notes that an open implementation request is not the same as a deployed consensus rule.
For investors, the distinction matters: a proposal can improve the network's future flexibility without immediately changing transaction rules or user security. The design is intended as a migration path, not as evidence that Bitcoin Cash is already protected against quantum attacks. The Bitcoin Cash price therefore remains a separate market signal from the proposal's technical status; neither a lock-in nor a future activation would guarantee a particular valuation.
Market context for BCH holders
Investing.com also showed BCH's 24-hour range at 234.24 to 240.60 US dollars. The displayed 52-week range indicates substantial volatility, while the pending protocol decision adds a technical event for traders to monitor. The relevant milestones are review completion, any lock-in decision and subsequent implementation work before activation.
More Bitcoin Cash coverage is available on the Bitcoin Cash topic page.
