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Morning Edition · Saturday, August 8, 2026UpdatedPublished at 7:44 AM EDT · New York
Bitcoin Developers Warn That Selling Coins From This Weekend's Contested Fork Could Cost Holders Real Bitcoin
Mandatory signaling for the BIP-110 (Bitcoin Improvement Proposal 110) soft fork begins near block 961,632 around August 9, with actual miner support collapsing to roughly 2.5 percent, far below the 7-to-15 percent range projected earlier, and without replay protection, selling coins from a minority chain risks also moving the same coins on the main chain.
Updated at 7:44 AM EDT
Real-time signaling data shows support has fallen to about 2.5 percent, well below the 7-to-15 percent range cited this morning, with nearly all of it from a single mining pool, and a developer is now openly discussing a proof-of-work hard-fork contingency.
Bitcoin traded at roughly $64,940 on Friday, up about 0.8 percent over 24 hours, as developers warned holders about a specific mechanical risk arriving this weekend. If a minority chain emerges from the contested BIP-110 change, anyone who sells the coins that appear on that chain may hand a buyer a signed transaction that can be rebroadcast on the main bitcoin network, moving the seller's actual bitcoin. CoinDesk reported that a developer's advice is to take no action until the two chains can be separated.
BIP-110, described by its author as a Reduced Data Temporary Softfork, would impose seven limits on the data that can be embedded in bitcoin transactions for one year. It targets the inscription and token practices built on top of the network. Mandatory signaling begins near block 961,632, expected around August 9, and runs through block 963,647, with lock-in requiring 55 percent of blocks in the period to carry the signal. An earlier research note from AMINA Bank had projected signaling in the range of 7 to 15 percent, but real-time monitoring cited by CoinDesk put actual support at about 2.5 percent as the mandatory window opened, far short even of that earlier estimate and nowhere close to the 55 percent needed for lock-in. Nearly all of the signaling blocks come from a single mining pool, Ocean, which began signaling by default in mid-July, so the support does not reflect a broad base among miners.
The proposal has divided large holders and developers, with Michael Saylor among the public critics of the hard-fork route. With the 55 percent threshold effectively out of reach, developer Luke Dashjr has said that changing bitcoin's proof-of-work consensus mechanism, a far more disruptive step than the contested soft fork, would be the only path left for BIP-110's supporters, and another developer has rebased Dashjr's earlier hard-fork code as a contingency, according to reporting on the dispute. The disagreement is about what bitcoin is for: whether block space should be reserved for monetary transfers or remain open to arbitrary data.
The episode is a reminder that a monetary asset without an issuer settles its rule changes through coordination among users, miners and exchanges rather than by decree. That is the design's core property and also the source of this weekend's risk.
Veracity: Corroborated
76/100- If true, who benefits
Exchanges and custodians that advise no action avoid replay liability, and holders of the existing chain benefit if the proposal lapses without a split.
- The nuance
The 7 to 15 percent figure describes node signaling, while miner signaling has stayed near 0.3 to 2 percent against a 55 percent activation threshold, so the replay danger is real in mechanism but the split that would trigger it is a low-probability outcome.
An open-source-intelligence read of how likely this story is true with its real nuance, not a judgment of any outlet. It assesses the claim, weighing independent and adversarial reporting. How we label confidence.
What this means
The immediate exposure is operational rather than macroeconomic. Exchanges and custodians that credit fork coins without implementing replay protection can cause customers to lose bitcoin on the main chain, and the firms carrying that liability are the venues themselves. A clean activation or a quiet failure to reach the signaling threshold leaves the market unchanged, while a persistent chain split forces every exchange, miner and payment processor to choose which ledger they treat as bitcoin, and that choice determines where mining power and trading activity settle.
Synthesized from: CoinDesk · AMINA Bank Research · Coin Gabbar
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Comments
1Aug 9, 3:41 AM · edited
At 2.5% of main chain hash rate, the minority chain produces a block roughly every 400 minutes and would not reach its first difficulty retarget for approximately 560 days, making it nearly inert as a spot market.