
Uniswap Foundation provides up to $9 million grant to Brevis to build a trustless Routing Rebate program
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Uniswap Foundation provides up to $9 million grant to Brevis to build a trustless Routing Rebate program
Uniswap Foundation has granted funding to Brevis to develop and implement a "Trustless Routing Rebate Program," offering up to $9 million in gas fee rebates for routers integrating v4 Hook pools. The system will leverage Brevis's ZK Data Coprocessor and Pico zkVM to compute and verify all rebate amounts in a trustless manner, without relying on centralized databases or opaque computations. This move

Uniswap v4: Unleashing the Next Wave of AMM Innovation
Uniswap v4 (hereinafter "v4") introduced Hooks and the Singleton architecture in January 2025, unlocking advanced pool features such as dynamic fees, custom curve logic, and MEV resistance.
For traders, this means better execution prices, lower slippage, and reduced trading costs as liquidity adjusts intelligently to market conditions. For developers, v4 offers a flexible framework enabling continuous innovation without concerns about fragmented liquidity.
Aggregators: New Challenges Brought by v4 Integration
At the same time, v4 presents new challenges for DEX aggregators like 1inch, 0x, and Velora. Aggregators serve as gateways for many traders, integrating multiple DEXs and routing trades across various pools to find optimal execution paths and fee tiers.
Integration with Uniswap v2 and v3 was relatively straightforward. In the v2 era, aggregators only needed to apply the constant product formula for quoting. v3 added complexity due to concentrated liquidity and multiple fee tiers, yet maintained a uniform pool structure that allowed scalable integration.
However, in v4, pools are no longer homogeneous. Each pool can be customized via Hooks, altering its swap logic, fee structure, or execution guarantees. While this flexibility enriches the ecosystem, it forces aggregators to identify and understand the unique behavior of each integrated pool.
Driving Faster Adoption of v4
To accelerate v4 adoption and improve returns on aggregator integration, the Uniswap Foundation has awarded Brevis a grant to provide trustless Gas rebates for all routers directing order flow to v4 Hook pools, leveraging its ZK data co-processor and zkVM.
These rebates offer routers new economic support, encouraging experimentation with v4 Hooks. Whether routers use the rebates to offset operational costs, reduce trader fees, or build sustainable treasuries, the outcome is the same: faster integration, deeper liquidity, improved trade execution, and lower user trading fees.
Trustless Gas Rebates Powered by Brevis
This rebate program operates entirely on Brevis' ZK technology, eliminating reliance on centralized tracking or opaque computations.
Rebate calculation: Routers can use Brevis-hosted Gas rebate proof systems to generate ZK proofs for trades routed through eligible v4 pools. The Brevis Pico zkVM then calculates total Gas costs and produces an aggregated zero-knowledge proof verifying the entire computation. With this proof, routers can claim rebates on-chain via smart contracts.
Claiming rebates: Routers submit the ZK proof to the rebate contract, which verifies the proof's validity, ensures the related transactions haven't already received rebates, and disburses payment. The entire process is automated and trustless.
This approach solves problems centralised systems cannot: verifiable fairness and large-scale decentralized retroactive rewards. Every computation is backed by cryptographic proofs, publicly verifiable on-chain. There is no need for centralized databases to track contributions or trust any intermediary. Routers receive rebates, the Uniswap Foundation achieves transparent distribution, and v4 adoption accelerates with economic support that upholds DeFi's core principles.
Accelerating v4 While Upholding DeFi Principles
This grant provides the necessary momentum for Uniswap v4's growth. By offering economic incentives for router integration into v4 Hook pools, it accelerates aggregator adoption. As v4 pool liquidity deepens, users benefit from tighter spreads and lower slippage. If routers pass rebates on to users, traders' effective swap costs will decrease further.
Uniswap v4 introduces advanced AMM capabilities through Hooks. Brevis is building the infrastructure to make v4 adoption economically attractive for routers while preserving the trustlessness that defines DeFi. With Brevis ZK proofs powering the rebate system, as v4 scales, integrators, traders, and liquidity providers alike stand to benefit.
About Brevis
Brevis is an intelligent verifiable computing platform delivering infinite computational capacity to existing smart contract blockchains. Using zero-knowledge proofs, Brevis moves data-intensive, high-cost computations off-chain to dedicated engines, enabling Web3 applications to scale seamlessly while maintaining L1 security and trust assumptions.
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