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Miners vs. bitcoin’s quantum defense: what’s next?

Could Miners Block Bitcoin’s Quantum Defense?| Bitcoin Improvement Proposal Sparks Debate

By

Alina Gromova

Feb 18, 2026, 05:19 PM

Edited By

Leo Zhang

2 minutes estimated to read

Representation of Bitcoin with quantum symbols and miners assessing new security measures, focusing on BIP 360 concept

A contentious new Bitcoin Improvement Proposal, BIP 360, has been listed in the official repository. This initiative aims to guard against future quantum threats, but its acceptance by miners remains uncertain. Past experiences reveal the potential for significant division within the community.

What Is BIP 360?

BIP 360 introduces a Pay-to-Merkle-Root (P2MR) output format. This update eliminates vulnerabilities tied to public key disclosure under the current Taproot setup. It's designed to prepare a future where quantum signatures can be deployed in soft forks. However, the update hasn't been activated yet, leaving its practical implications in limbo.

Miners' Resistance?

Currently, the Bitcoin landscape has become reminiscent of the SegWit era, prompting some skepticism about miner compliance. A user noted, "SegWit nearly split everything apart and that wasn’t even touching fundamental security architecture." The apprehension runs deep regarding how miners will respond to these crucial security changes.

Furthermore, misgivings expressed on forums highlight fears over political factors overshadowing technological advancements. One comment emphasized that while quantum resistance is pressing, "that doesn’t mean the politics get easier."

"Caution is key. Some domains were registered just a few days ago, suggesting a rise in potential risks."

This uncertainty surrounding BIP 360 underscores a larger debate on the balance between technical improvement and community consensus.

The Future of Bitcoin

Ultimately, the narrative of Bitcoin's future is shaped not solely by developers but by the influence of node operators and miner pools. Tensions could hinder the fast-paced evolution that the community seeks to embrace.

Key Insights

  • BIP 360 aims to protect against quantum attacks.

  • Activation of the update is still pending.

  • "The politics could complicate things further in the coming years." - Forum remark

The scenario is fluid, with posturing on both sides as stakeholders weigh the necessity of enhanced security versus the potential for conflict. As 2026 unfolds, the implications of this proposal will transform the Bitcoin narrative and potentially reshape its trajectory amid emerging threats.

What Lies Ahead for Bitcoin's Quantum Defense?

There’s a strong chance that as discussions around BIP 360 continue, miners will grow increasingly divided on the adoption of this quantum defense measure. Experts estimate that around 60% of miners may resist the shift due to lingering skepticism tied to past proposals, such as SegWit. If political factors threaten to overshadow the technical aspects, miners may delay activation, leading to a fractured community that could struggle to reach consensus. Conversely, should influential miner pools rally around BIP 360, we could see rapid implementation—a crucial step to safeguard Bitcoin against potential quantum threats as the technology evolves.

A Unique Reflection from History

Looking back, the scenario surrounding BIP 360 bears an interesting resemblance to the transition from horses to cars in the early 20th century. Many stable owners fiercely opposed the adoption of automobiles, fearing a loss of livelihood and the unknown implications of this new technology. The transition sparked heated debates, much like the discourse around Bitcoin's quantum resistance efforts. Just as the automotive industry eventually transformed societal norms and infrastructure despite initial resistance, Bitcoin’s future might similarly shift as stakeholders learn to adapt, balancing the necessity for progress with the fear of change.