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F2Pool Co-Founder Wang Chun Says BTC Upgrades Should Avoid ‘Bundling Bill’ Tactics

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F2Pool co-founder Wang Chun has publicly rejected both BIP-110 and BIP-54, arguing that Bitcoin protocol upgrades should not mimic the political tactic of bundling unrelated provisions into a single package to force approval of controversial measures.

Wang Chun, who operates under the handle @satofishi, posted his objection on April 4, 2026. He wrote that politicians bundle bills to force through unpopular riders by hiding them in must-pass packages, and that Bitcoin must not follow their practice.

Source: @satofishi on X

The statement directly names two active Bitcoin Improvement Proposals and frames them as examples of a governance pattern he considers dangerous. His position carries weight: F2Pool is one of the largest Bitcoin mining pools, and miner signaling plays a direct role in soft-fork activation.

The criticism arrives during a period of shrinking Bitcoin demand from both retail and whale cohorts, with BTC trading near $67,313 and carrying a market capitalization of roughly $1.35 trillion.

$67,313
BTC price at fetch time, per CoinGecko.

What BIP-54 Proposes and Why Bundling Is the Core Issue

BIP-54 is a Draft consensus soft fork formally titled “Consensus Cleanup,” assigned on April 11, 2025. It aims to resolve several longstanding protocol-level vulnerabilities in a single deployment.

The proposal would fix the timewarp attack, reduce worst-case block validation time, prevent Merkle tree weaknesses, and eliminate duplicate transactions without requiring BIP-0030 validation. Each fix addresses a distinct technical concern; together, they form what Wang Chun characterizes as an omnibus package.

Critically, BIP-54’s own motivation section explicitly argues that bundling these fixes together helps overcome the fixed cost of deploying a Bitcoin soft fork. The authors acknowledge the packaging strategy, framing it as pragmatic rather than manipulative.

That acknowledgment is what makes Wang Chun’s criticism precise rather than hypothetical. He is not inferring bundling from the proposal’s structure; the proposal itself defends the approach. His counter-argument is that each fix should be evaluated on its own merits, not packaged to share approval momentum.

The debate echoes broader questions about governance efficiency. Supporters of bundling argue that the Bitcoin network’s conservative upgrade culture makes standalone soft forks prohibitively expensive in coordination time. Opponents, including Wang Chun, argue that this logic incentivizes attaching weak or controversial provisions to stronger ones.

Why BIP-110 Sits at the Center of Wang Chun’s Criticism

BIP-110, titled “Reduced Data Temporary Softfork,” was created on December 3, 2025. Unlike BIP-54’s permanent cleanup, BIP-110 proposes temporary one-year restrictions on large data fields while still permitting OP_RETURN outputs up to 83 bytes.

The proposal sets a 55% activation threshold, defined as 1,109 of 2,016 blocks. Its maximum activation height targets block 965,664, approximately September 1, 2026.

Wang Chun stated that BIP-110 was one of the proposals he rejected, using it as the initial example before extending the same logic to BIP-54. His objection to BIP-110 appears rooted in the same anti-bundling principle: the proposal combines data-size restrictions with activation parameters that critics view as aggressive.

The 55% threshold is notably lower than the 95% threshold used in earlier Bitcoin soft forks like SegWit’s BIP-141. A lower threshold means fewer miners need to signal support, which reduces the bar for activation but increases the risk of a chain split if a significant minority objects.

Separately, Jameson Lopp has described BIP-110 as “reckless and doomed to fail,” focusing on the chain-split risk created by the lower activation threshold. Lopp’s critique is narrower than Wang Chun’s, targeting BIP-110’s specific activation design rather than the broader principle of bundled upgrades.

$1.35T
Bitcoin market capitalization at fetch time, per CoinGecko.

How the Dispute Reflects a Wider Bitcoin Governance Split

Wang Chun’s framing pulls the debate beyond technical specifics into a question about how Bitcoin should make collective decisions. The “bundling bill” analogy deliberately invokes a political failure mode: legislatures that pass omnibus bills containing provisions that would not survive an independent vote.

The current Bitcoin governance environment features at least two distinct tensions. The first is about scope: whether protocol cleanups like BIP-54 should bundle multiple fixes or deploy them individually. The second is about activation: whether proposals like BIP-110 set their signaling thresholds low enough to risk splitting the network.

These two debates overlap but are not identical. Wang Chun’s contribution is to treat them as variations of the same governance problem, arguing that both represent an attempt to lower the effective bar for approval. In BIP-54’s case, the mechanism is packaging weaker fixes with stronger ones. In BIP-110’s case, the mechanism is a lower activation threshold.

According to ChainCatcher’s English recap, Wang Chun has also argued that only the duplicate-transactions issue has meaningful repair value, while timewarp and block-validation concerns do not justify broader protocol changes. This claim has not been independently verified from his original reply thread.

The governance conversation is unfolding against a backdrop of macroeconomic uncertainty. The Federal Reserve has warned that low employment growth may become the new normal amid geopolitical risks, while the Senate Banking Committee is set to consider Kevin Warsh for Fed Chair on April 16. These macro conditions add weight to any governance dispute that could introduce uncertainty into the Bitcoin network’s stability.

The Fear and Greed Index sat at 11, in “Extreme Fear” territory, at the time of Wang Chun’s post. The social discourse around BTC was governance-focused rather than price-led, with the bundling debate generating more discussion than spot market movements.

What This Means for Future BTC Upgrade Norms

Wang Chun’s stance, if maintained through F2Pool’s mining operations, could directly affect BIP-110’s ability to reach even its reduced 55% activation threshold. F2Pool’s hash rate share gives the pool material influence over signaling outcomes.

For BIP-54, the implications are less immediate but more structural. If the “Consensus Cleanup” proposal cannot secure support from major miners who object to bundling on principle, future Bitcoin developers may need to break omnibus proposals into standalone soft forks, each requiring its own activation cycle.

That outcome would slow the pace of protocol maintenance but could strengthen legitimacy by ensuring each change survives independent scrutiny. Whether the Bitcoin development community views that tradeoff as worthwhile will likely define the next phase of this debate.

FAQ About Wang Chun, BIP-54, and BIP-110

Who is Wang Chun?

Wang Chun is the co-founder of F2Pool, one of the oldest and largest Bitcoin mining pools. His public positions on protocol changes carry governance weight because mining pools directly participate in soft-fork activation signaling.

What is BIP-54?

BIP-54 is a Draft consensus soft fork titled “Consensus Cleanup.” It bundles fixes for the timewarp attack, worst-case block validation time, Merkle tree weaknesses, and duplicate transaction handling into a single deployment. Its authors argue that bundling helps overcome the fixed cost of deploying a soft fork.

What is BIP-110?

BIP-110 is a Draft consensus soft fork titled “Reduced Data Temporary Softfork.” It proposes temporary one-year restrictions on large data fields, with a 55% miner signaling threshold for activation and a target deadline of approximately September 1, 2026.

Why does the “bundling bill” comparison matter for Bitcoin?

The analogy frames Bitcoin protocol upgrades as a governance problem, not just a technical one. If multiple fixes are packaged together, miners and node operators must accept or reject the entire bundle. Critics argue this forces approval of provisions that lack standalone support, mirroring how legislative omnibus bills work in political systems.

Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making decisions.

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Avatar of Haruto Nakamura

Haruto Nakamura

04 April 2026, 15:44:50 GMT +0000

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