Power struggle hits Bitcoin network over anti-spam proposal with claims of ‘faked’ node support
A brand new chart from Jameson Lopp has reopened one of Bitcoin’s oldest inside debates: whether or not seen node counts replicate actual support for a rule change.
The speedy flashpoint is BIP-110, a draft proposal that will briefly impose a lot tighter consensus-level limits on non-monetary information, following Bitcoin Core 30’s loosening of the default OP_RETURN coverage.
Lopp says the node surge behind it may be Sybil-inflated (i.e., artificially boosted by a single actor operating many nodes to simulate broader support).
| Signal | What it could present | What it can’t show |
|---|---|---|
| Public reachable node depend | Visible distribution of software program on the network | Real financial support for a rule change |
| Non-listening / non-public nodes | Broader adoption past public-facing nodes | Whether the operators matter for activation |
| Miner signaling | Hashrate support for activation | Full support from exchanges, wallets, customers |
| Node surge on one consumer or BIP | Growing curiosity or coordination | That support is natural reasonably than cheaply manufactured |
The node chart that began it
Lopp shared a chart captioned “Spot the Sybil Attack” displaying the BIP-110 signaling line rising sharply whereas the Bitcoin Knots line whipsawed.
Current information from Coin Dance exhibits 23,189 public Bitcoin nodes, with 17,961 operating Bitcoin Core and 5,193 operating Bitcoin Knots, after correcting to omit duplicate and non-listening nodes.
Knots account for roughly 22% of the public-reachable set. The quantity is properly brief of parity with Core.
The numbers look totally different relying on the dashboard used. Smart Wicked Bitcoin, the platform from which Lopp drew his chart, tracked 22,362 Core v30 nodes, 11,997 Knots nodes, and 10,361 BIP-110 signaling nodes as of Mar. 23.
That hole between Coin Dance’s publicly accessible depend and the one utilized by the Smart Wicked Bitcoin workforce exists as a result of the 2 platforms measure totally different universes. Coin Dance corrects for duplicates and non-listening nodes, whereas Smart Wicked Bitcoin’s broader depend consists of each listening and non-listening nodes.
The similar network can seem both modestly tilted or dramatically surging, relying on methodology.
Bitnodes’ personal documentation gives a source-backed motive to deal with giant all-node totals with warning, regardless of intent: its global-node estimates are described as tough counts that will embrace spurious nodes gossiped by non-standard or malicious friends.
Lopp’s grievance is exact and architectural. In his BIP-110 explainer, he argues that reachable-node signaling carries no financial weight, that hundreds of nodes might be spun up cheaply, and that Tor addresses are “virtually free.”
His framing sees a cluster of nodes signaling with out financial stake behind them as a governance theater manufactured at low value.
Lopp additionally attracts an specific parallel to earlier Bitcoin governance battles, Bitcoin Unlimited and SegWit2x, the place seen node counts have been used to argue for consensus support that by no means translated into precise network adoption.
His core level is that Bitcoin’s governance runs on financial weight, akin to miners, exchanges, and pockets operators, which reachable-node tallies can’t signify.
A surge in BIP-110 signaling nodes, even a real one, leaves the query of activation fully open.
Core 30 and the OP_RETURN loosening
The set off for BIP-110 was Bitcoin Core 30.0, launched Oct. 10, 2025.
Its launch notes confirmed that the default -datacarriersize was raised to 100,000, successfully eradicating the previous restrict, and that a number of OP_RETURN outputs at the moment are permitted for relay and mining.
For the anti-spam camp, that coverage shift crossed a line: loosening defaults on the node degree felt like an endorsement of arbitrary information storage on the Bitcoin network.
BIP-110 is the response and was filed within the BIPs repository as “Reduced Data Temporary Softfork,” authored by Dathon Ohm.
The proposal would tighten information limits on the consensus layer.
The specification units a 34-byte cap on new output scripts apart from OP_RETURN outputs as much as 83 bytes, limits information pushes and witness components to 256 bytes, invalidates Taproot management blocks over 257 bytes, and disallows OP_SUCCESS opcodes plus executed OP_IF and OP_NOTIF in Tapscript throughout deployment.
The BIP additionally credit Luke-Jr with unique drafting and recommendation.
The activation design is what elevates it right into a governance battle. BIP-110 makes use of a modified model of BIP9 with a 55% signaling threshold and a most activation peak round Sept. 1, 2026.
| Topic | Current / post-Core 30 backdrop | BIP-110 proposal |
|---|---|---|
| OP_RETURN coverage | Default -datacarriersize raised to 100,000; a number of OP_RETURN outputs allowed for relay/mining |
OP_RETURN restricted to 83 bytes |
| Output scripts | Looser coverage setting after Core 30 | New output scripts capped at 34 bytes, besides OP_RETURN |
| Data pushes / witness components | Broader information flexibility | Capped at 256 bytes |
| Taproot management blocks | Larger constructions doable | Capped at 257 bytes |
| Tapscript conduct | Existing improve flexibility | OP_SUCCESS invalid; executed OP_IF / OP_NOTIF disallowed throughout deployment |
| Activation design | Standard soft-fork expectations normally indicate a lot broader consensus | Modified BIP9 with 55% threshold and necessary signaling |
| Supporters’ case | Bitcoin drifting towards arbitrary-data use | Restore financial focus, scale back spam |
| Critics’ case | Policy dispute may stay at node degree | Risks chain break up, constrains Taproot, overweights signaling optics |
A delicate fork that prompts at 55% miner signaling leaves 45% of hashrate doubtlessly producing blocks that the activated chain would reject, making the chain-split threat greater than theoretical.
Alongside the Sybil concern, there are concrete causes BIP-110-related nodes grew to become simpler to deploy in early 2026.
On Feb. 6, myNode launched model 0.3.41, which added “Bitcoin Knots + BIP110 Custom Bitcoin Version” as an set up possibility.
A RaspiBlitz pull request on Feb. 19 up to date its Knots installer to obtain and run a BIP110-enabled construct.
The official BIP-110 website lists simplified set up paths throughout Start9, Umbrel, myNode, Parmanode, and Docker, and explicitly encourages customers to run signaling nodes to show support.
The surge possible displays some mixture of real opt-in adoption, simpler platform distribution, non-public non-listening node installs, and Sybil-style inflation.
The chart surfaces the query, whereas the information behind it leaves the reply open.
The stakes past the signaling battle
BIP-110 carries technical penalties that run deep into Bitcoin’s Taproot structure.
The draft would briefly invalidate superior Taproot constructions that depend on OP_SUCCESS improve hooks, prohibit the execution of OP_IF and OP_NOTIF in Tapscript, and cap management blocks at 257 bytes.
The proposal and the BIP-110 website each acknowledge the tradeoffs.
BitVM-style giant Taptrees would want to attend, wallets producing arbitrary Miniscript would require updates, and in slim edge instances, some funds might be frozen or misplaced throughout the deployment window. The website describes that threat as extraordinarily unlikely and says pre-activation UTXOs stay exempt.
Supporters, akin to Ohm, body these constraints as temporary and worth tolerating to revive Bitcoin’s financial focus.
The bear case facilities on a coordination failure. If the 55% threshold proves inadequate to deliver miners and financial actors alongside, the result’s a failed delicate fork and a network that spent months arguing over signaling optics. At the identical time, the actual governance query stayed unanswered.
Bitcoin has been right here earlier than. The distinction this time is that Core modified the defaults first, BIP-110’s proponents are operating a coordinated node distribution marketing campaign throughout a number of platforms, and the activation threshold is low sufficient to make the chain-split situation concrete.
Whether the surge represents a real coalition or an inflated sign, the argument it has triggered is similar one which has outlined Bitcoin’s governance fights for a decade: who counts, who will get counted, and who decides.
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