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Bitcoin's BIP-110 hits mandatory signaling with fewer than 3% of miners on board

8/9/2026

A proposed change to Bitcoin's protocol has crossed into mandatory signaling, the phase where miners must formally broadcast their position on a pending rule change, even as fewer than 3% of miners have indicated support.

That proposal is BIP-110, short for Bitcoin Improvement Proposal 110, a formal specification for altering how the $BTC network operates.

The gap between the milestone and actual miner backing is now forcing a test of whether enforcing nodes can carry the change without a meaningful mining base behind them.

What the signaling threshold actually means Bitcoin miners signal by embedding data in the blocks they produce, indicating whether they accept or reject a proposed protocol change.

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