Quai Network

<h3 id="for-most-of-proof-of-work-history-hashrate-has-been-treated-as-a-moat">For most of proof-of-work history, hashrate has been treated as a moat.</h3>
The argument was simple: the chain with the most work is the safest chain; the safest chain attracts the most value; the most valuable chain pays miners the most; and the miners reinforce the same chain again. In that model, hashrate becomes gravitational. It protects the incumbent protocol not only because the incumbent has liquidity, but because miners have little reason to redirect their work toward anything else.
SOAP changes that.
The Subsidized Open-market Acquisition Protocol turns merge mining from a passive security import into an active economic router. Rather than letting auxiliary chain rewards become disposable miner revenue, SOAP redirects external merge-mining value into protocol-level QUAI buybacks and burns while compensating miners in QUAI. Quai documentation describes SOAP as turning merge-mining rewards into continuous QUAI buybacks, with purchased QUAI burned.¹
That change is more important than it first appears. It means Quai is not simply trying to borrow hashrate. It is building a market structure where hashrate follows utility.
<h2 id="the-old-debate-is-over">The old debate is over</h2>
For years, Bitcoin has been trapped in a false debate: will Bitcoin be used for payments, or will it remain only a store of value?
SOAP makes that framing obsolete.
The real question is not whether Bitcoin L1 becomes a global payments network. The real question is whether the Bitcoin asset can be separated from the Bitcoin protocol.
If BTC can move into a higher-utility proof-of-work environment without sacrificing credible security, then the market does not need Bitcoin L1 to become the universal payments layer. BTC can remain the dominant monetary asset while the activity around that asset migrates to a protocol with greater throughput, programmability, fee generation, and application utility.
That is the strategic meaning of BIP302.
BIP302 proposes a path where Quai uses its existing SHA-compatible mining position to become increasingly Bitcoin-aware. Quai already supports SHA-256 and Scrypt mining, already supports AuxPoW-style merge mining with Bitcoin Cash, and already represents a meaningful share of Bitcoin Cash hashrate. The next step is to move from Bitcoin Cash-oriented merge mining toward Bitcoin-compatible SHA-256 work, such that some Quai-associated work can also be valid Bitcoin work.
Once that happens, Quai can support a secondary consensus layer about Bitcoin: Bitcoin headers, Bitcoin transaction inclusion proofs, Bitcoin-side locking events, and BTC-denominated assets represented on Quai.
The result is not "Bitcoin goes away." The result is much more subtle and much more powerful:
Bitcoin the asset persists. Bitcoin the settlement bottleneck becomes optional.
<h2 id="soap-eliminates-the-hashrate-moat">SOAP eliminates the hashrate moat</h2>
Traditional merge mining has a structural weakness.
It lets miners earn an additional asset with little incremental cost, but it does not necessarily make miners economically aligned with that asset. In many cases, the auxiliary reward is treated as found money. Miners or pools receive the auxiliary asset, sell it, and move on. The auxiliary chain imports work, but it also imports sell pressure. Security may rise, but the asset can decay under the weight of indifferent miners.
That is the standard failure mode of merge-mined tokens: they are mined by parties who do not care about the network, do not use the network, and do not need to hold the asset.
SOAP attacks that problem directly.
Instead of allowing merge-mined rewards to flow straight to miners as external tokens, SOAP routes that value through Quai's monetary engine. External rewards become QUAI demand. QUAI purchased through that flow is burned. Miners are paid in QUAI. The effect is to transform merge mining from an extractive relationship into a reflexive one.
In the old model:
External hashrate -&gt; auxiliary rewards -&gt; miner sell pressure
In the SOAP model:
External hashrate -&gt; external rewards -&gt; QUAI buyback -&gt; QUAI burn -&gt; miner compensation in QUAI
That is the critical difference.
SOAP does not merely make it possible for miners to point hashrate at Quai. It changes what that hashrate does to the Quai economy when it arrives.
This is why SOAP weakens the incumbent hashrate moat. If a new protocol can offer more utility, and if that utility creates enough economic demand, then miners do not need ideological conviction to move. They need a profitable path. SOAP gives them one.
That forces proof-of-work networks into direct competition on utility.
Not mythology. Not inertia. Not the abstract prestige of being first.
Utility.
<h2 id="assets-and-protocols-are-separating">Assets and protocols are separating</h2>
The most important idea in BIP302 is that assets and protocols do not have to remain fused forever.
Bitcoin made BTC credible. That is its historic achievement. But the asset and the settlement system are not the same object.
BTC can be the monetary asset while Quai becomes the execution layer where BTC-denominated activity actually happens.
This is not unprecedented. Stablecoins already demonstrated that the most important dollar rails are not the banking rails that created the dollar. Dollars circulate on Ethereum, Solana, Tron, exchanges, payment apps, and private databases. The asset is the dollar. The rails compete on cost, speed, liquidity, and utility.
SOAP extends that same separation to proof-of-work money.
If BTC holders can access more utility on Quai than on Bitcoin L1, and if the security model is coupled to proof-of-work rather than a purely custodial bridge, then the market has a reason to move. It does not need to abandon BTC. It can abandon Bitcoin L1 as the primary place where BTC-denominated economic activity happens.
That is a much larger thesis than a bridge.
It is a protocol migration path for proof-of-work assets.
<h2 id="the-qbtc-path">The qBTC path</h2>
BIP302 should be understood as a staged roadmap, not as a single mechanism.
The peg path has three tiers:
<h3 id="tier-1-federated-qbtc">Tier 1: Federated qBTC</h3>
A federated peg is the practical initial deployment path. It can move fastest, prove demand, and establish the accounting, liquidity, wallet, and application surfaces needed for BTC-denominated activity on Quai.
The trust assumptions must be explicit. A federated qBTC is not the final form.
<h3 id="tier-2-bitvm-based-qbtc">Tier 2: BitVM-based qBTC</h3>
A BitVM-style construction can reduce reliance on a trusted federation without requiring a Bitcoin soft fork. This gives Quai a no-fork path toward a more trust-minimized BTC peg, using challenge games, operators, bonds, and fraud proofs rather than discretionary custody.
This is not as clean as a covenant, but it is strategically important because it does not depend on Bitcoin governance.
<h3 id="tier-3-covenant-secured-qbtc">Tier 3: Covenant-secured qBTC</h3>
The ideal end state is a Bitcoin covenant path, such as BIP443 or BIP448, or an equivalent covenant upgrade. BIP443's OP_CHECKCONTRACTVERIFY proposal is explicitly oriented around UTXOs carrying dynamic data commitments and composing state machines.² BIP448 proposes a bundle including OP_TEMPLATEHASH, OP_CHECKSIGFROMSTACK, and OP_INTERNALKEY to support second-layer protocols and rebindable transactions.³
A covenant-secured qBTC would allow Bitcoin-side BTC to be locked and released according to enforceable script conditions tied to Quai-side state. That is the cleanest trust-minimized architecture.
But the strategy does not wait for the ideal. It moves through tiers.
<h2 id="quai-is-not-just-another-merge-mined-sidechain">Quai is not just another merge-mined sidechain</h2>
A conventional Bitcoin merge-mined sidechain says: let Bitcoin miners secure another chain.
Quai says something more ambitious: let proof-of-work liquidity flow to the protocol with the most utility, and let the asset layer detach from the protocol layer when the protocol stops being the best venue for economic activity.
This distinction matters.
A traditional merge-mined sidechain may increase security by recruiting miners, but its token can still suffer if miners immediately sell the auxiliary rewards. The sidechain gets work, but the asset may absorb constant miner-driven pressure.
SOAP changes the incentive loop. It does not assume miners become long-term believers. It does not rely on altruism. It redirects the economics so that merge-mining inflows can support QUAI through buybacks and burns.
That makes the Quai thesis fundamentally different from the standard "sidechain attached to Bitcoin" thesis.
Quai is not asking for a permanent subordinate role under Bitcoin. Quai is using proof-of-work itself as the competitive arena.
If Quai delivers more utility, hashrate can move.
If hashrate moves, security follows.
If security follows and BTC can be represented on Quai, then BTC-denominated activity can move too.
<h2 id="sustainability-is-not-solved-by-abandoning-proof-of-work">Sustainability is not solved by abandoning proof-of-work</h2>
Most criticism of proof-of-work sustainability starts from the wrong premise.
It assumes the problem is energy consumption itself. But energy consumption is only irrational when the system consuming the energy cannot generate sufficient economic value.
The deeper problem is not proof-of-work. The deeper problem is insufficient utility per unit of security expenditure.
Bitcoin has a long-term security budget problem because its subsidy declines by design. The Bitcoin block subsidy halves every 210,000 blocks, approximately every four years, and eventually trends toward zero.⁴ That leaves transaction fees as the long-run security budget. If fees do not grow enough to replace declining subsidy, miners receive less revenue unless price appreciation offsets the gap.
That is the unresolved tension in Bitcoin's monetary policy.
Bitcoin's fixed issuance schedule is treated as sacred because it protects the asset. But that same schedule compresses the security budget. If the protocol does not generate enough fee revenue at scale, then Bitcoin faces a choice between lower security, higher fees, policy change, or reliance on perpetual price appreciation.
That is not a small issue. It is the monetary-policy/security-budget catastrophe hiding inside the halving schedule.
Quai's answer is technological sufficiency.
A proof-of-work network does not become sustainable by pretending mining is free. It becomes sustainable by generating enough real economic activity that fees can support security without relying indefinitely on inflationary subsidy.
That requires throughput. It requires finality. It requires low-friction settlement. It requires application utility. It requires a fee market that can scale because usage can scale.
This is where PoEM matters.
Proof-of-Entropy-Minima is designed to improve the consensus rule itself by incorporating intrinsic block weight, reducing orphan rates, and accelerating finalization.⁵ Quai's PoEM documentation describes faster mathematical guarantees of on-chain inclusion and deterministic fork resolution given the same information.⁶
That is not a cosmetic improvement. Orphaned work is wasted security expenditure. Slow finality increases settlement friction. Low throughput prevents fee revenue from scaling without pricing users out.
PoEM is therefore part of the sustainability argument for proof-of-work:
Less wasted work + faster finality + higher throughput + more utility = more fee-generating capacity per unit of security spend
The goal is not to make proof-of-work cheap by weakening it.
The goal is to make proof-of-work economically sufficient by giving it enough useful settlement activity to pay for itself.
<h2 id="the-endgame-proof-of-work-becomes-useful-again">The endgame: proof-of-work becomes useful again</h2>
The first era of proof-of-work was about issuance.
The second era was about store of value.
The next era has to be about utility.
A proof-of-work chain that cannot generate enough fee revenue must eventually depend on inflation, subsidies, or external narratives. A proof-of-work chain that can generate real usage can pay miners because users value the blockspace.
SOAP and PoEM attack this from opposite directions.
SOAP solves the miner-acquisition problem by making hashrate economically portable and reflexive. It turns external proof-of-work markets into QUAI demand rather than passive sell pressure.
PoEM solves the technical-sufficiency problem by making proof-of-work consensus more capable: faster, more scalable, and less wasteful.
Together, they point toward a different future for proof-of-work.
Not Bitcoin versus Quai.
Not store of value versus payments.
Not asset versus protocol.
The future is asset-protocol separation under shared proof-of-work.
BTC can remain money. Quai can become the settlement substrate. Miners can follow profit. Users can follow utility. Protocols can no longer hide behind inherited hashrate.
SOAP eliminates the hashrate moat.
PoEM makes proof-of-work technologically sufficient.
BIP302 turns Bitcoin from a closed protocol into a proof-of-work asset that can participate in a broader execution economy.
That is the grand vision for Quai:
a proof-of-work network where security follows utility, assets are no longer trapped by their original protocols, and blockchains compete directly on the value they deliver to users.
<h2 id="references">References</h2>
<ol>
 <li>Quai Network Docs, "Project SOAP," https://docs.qu.ai/learn/advanced-introduction/soap</li>
 <li>BIP443, OP_CHECKCONTRACTVERIFY, https://bips.dev/443/</li>
 <li>BIP448, OP_TEMPLATEHASH, OP_CHECKSIGFROMSTACK, and OP_INTERNALKEY, https://bips.dev/448/</li>
 <li>Bitcoin Developer Reference, "Block Chain," https://developer.bitcoin.org/reference/block_chain.html</li>
 <li>Karl Kreder and Shreekara Shastry, "POEM: Proof of Entropy Minima," arXiv, https://arxiv.org/abs/2303.04305</li>
 <li>Quai Network Docs, "Introduction to PoEM," https://docs.qu.ai/learn/advanced-introduction/poem/poem</li>
</ol>
<h2 id="about-quai-network">About Quai Network</h2>
Quai Network is an energy-based monetary system built on a scalable, programmable Proof-of-Work blockchain. Through innovative Proof-of-Entropy-Minima consensus and merged mining capabilities, the network achieves 50,000+ transactions per second, unprecedented chain revenue, and increased decentralization and security. The network's unique dual-token system combines UTXO-based QI for daily transactions with EVM-compatible QUAI for long-term value storage, creating a comprehensive solution for the future of decentralized finance.

QUAI, SOAP, BIP302 and the End of the Hashrate Moat

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Quai Network

Other articles published on Jun 29, 2026

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