Key Takeaways:
- BIP-110 enforcement begins at block 961,632, about 185 blocks away
- Miner signaling sits at 2.62 percent, far below the 55 percent threshold
- Enforcing and non-enforcing nodes could diverge, risking a chain split
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Bitcoin nears BIP-110 enforcement with miner support at 2.62%
Bitcoin reaches block 961,632 within 185 blocks, where BIP-110-enforcing nodes begin rejecting non-signaling blocks despite miner support at 2.62 percent.
The bip110monitor.com dashboard, which sources block data from mempool.space, showed 48 of 1,831 blocks signaling bit 4 as of 14:41:49 UTC on Aug. 7. BIP-110 requires 1,109 signaling blocks in a 2,016-block period to meet its 55 percent threshold; even if all 185 remaining blocks signaled, the period would close at 233 of 2,016, about 11.56 percent.
From height 961,632, nodes running BIP-110 software reject blocks that fail to signal bit 4, while nodes following existing Bitcoin rules may accept the same blocks if they otherwise comply. That divergence can produce two competing transaction histories. Mandatory signaling runs through block 963,647, lock-in is set for 963,648, and the reduced-data rules activate at 965,664 — roughly four weeks after the enforcement boundary.
The proposal, formally the Reduced Data Temporary Softfork, restricts large data pushes, oversized output scripts, undefined witness versions, Taproot annexes, and OP_SUCCESS opcodes for about one year, targeting inscription techniques used by Ordinals and Runes. It grandfathers UTXOs created before activation, and standard payments and Lightning transfers remain compatible.
Near-zero miner backing
Large pools including Foundry, Antpool, F2pool, and Viabtc have declined to signal. F2pool co-founder Chun Wang said on X this week that he blocks accounts using the term BIP-110 in their names. Strategy founder Michael Saylor has publicly rejected the proposal and told supporters to "stand down," while Bitcoin Core contributor Antoine Poinsot wrote in a personal capacity on June 4 that Core does not enforce it.
The proposal is distributed mainly through Bitcoin Knots, an alternative node implementation. A BIP-110 implementation pull request in the Bitcoin Core repository closed unmerged on March 26. Knots used its Aug. 7 release to warn that older non-enforcing software, including current Bitcoin Core, could stop fully validating BIP-110 rules and leave chainstate unsafe in some scenarios; independently reproducing that warning on Core or mainnet remains outstanding.
Mining pool OCEAN announced separate signaling and non-signaling endpoints and said its default would switch on July 15, though independent verification that every miner using the pool now enforces BIP-110 is pending.
Exchanges brace for a split
Australian bitcoin-only exchange Hardblock said it may temporarily pause buying, selling, deposits, and withdrawals while monitoring the network, and Bitaroo plans to freeze deposits and withdrawals as mandatory signaling approaches. Lightning analytics provider Amboss flagged early August as a live fork danger zone. Major international exchanges and custodians have issued no public guidance, and none have committed to listing a separate token.
The enforcement setup echoes the 2017 fork cycle, when Bitcoin Cash separated at block 478,558 and dozens of thinner copycats followed. Ownership structure has since shifted: a large share of bitcoin now sits inside ETFs, corporate treasuries, and institutional custody platforms that may not recognize a minority asset. BlackRock's spot bitcoin ETF and Strategy's treasury represent a holder class that did not exist during the original fork mania.
Bitcoin traded up 0.92 percent over the past 24 hours, holding the top rank by market cap, with total crypto market value at $2.21 trillion and bitcoin dominance at 59.02 percent. The first blocks after height 961,631 will show which miners change signaling and whether an enforcing chain accumulates work; measuring economic support would require separate evidence such as exchange listings, node adoption, or holder behavior. If enforcing nodes reject the dominant chain, the question becomes whether enough miners, exchanges, and users follow to keep a second branch alive.
This article is for informational purposes only and does not constitute investment advice.
