Bitcoin Faces Critical Test as BIP-110 Moves to Mandatory Signaling Despite Weak Miner Consensus

Bitcoin's proposed BIP-110 upgrade has entered the mandatory signaling phase, marking a crucial inflection point for the network—even though miner support remains alarmingly low at below 3%.

We're watching a fascinating dynamic play out. The upgrade advancement happened despite minimal backing from the hash power securing the blockchain, raising fundamental questions about Bitcoin's governance model and whether enforcement nodes alone can drive protocol changes forward.

The Signaling Gap Problem

Here's what's actually happening: BIP-110 has transitioned into mandatory signaling, where all nodes are required to signal support or opposition to the proposal. This is supposed to demonstrate network consensus ahead of potential enforcement. The catch? Mining operations controlling the actual computational power aren't showing up for it.

With miner support below 3%, we're seeing a disconnect between what nodes theoretically support and what mining pools are willing to back with their hardware. This creates a legitimacy question for any eventual upgrade. Bitcoin's security model fundamentally depends on miner buy-in because the network's immutability relies on economic incentives, not just software rules.

The Hard Fork Wildcard

Developers have floated a hard-fork fallback scenario if mandatory signaling doesn't generate sufficient consensus. This is where crypto analysis gets interesting—a hard fork would essentially force the upgrade through by splitting the chain, which goes against Bitcoin's historical resistance to contentious forks (looking back at 2017's block size wars).

The fallback option suggests there's genuine commitment to BIP-110's deployment, but also reveals contingency planning for failure. That's either pragmatic or desperate, depending on your perspective.

What We're Actually Measuring

This situation tests a core assumption about Bitcoin's governance: can a change survive if nodes enforce it even when miners largely abstain? The answer determines whether Bitcoin's future upgrades require genuine consensus across stakeholders or whether vocal node operators can push through changes independently.

The enforcement mechanism itself creates pressure. If nodes start rejecting non-compliant blocks, miners face a choice: upgrade or watch their blocks become invalid. But with only 3% of miners signaling support, we're far from that reality. Most hash power appears indifferent or outright opposed.