UniTokenSwap: Three Architecture Decisions We Would Change

Frequently Asked Questions

01.What is UniTokenSwap and what did Ancilar set out to build?

UniTokenSwap is Ancilar's production decentralized exchange built on Uniswap v4. It uses the singleton PoolManager, custom Hooks, a position manager, and a router. We set out to ship a configurable AMM that teams could extend with their own pool logic. The architecture worked, but three early decisions cost us time and audit budget we did not need to spend.

02.What are the three architecture decisions Ancilar would change on UniTokenSwap?

First, we over-customized Hooks before product-market fit, which added audit weeks and cost for logic users did not use. Second, we built multi-chain before single-chain liquidity was proven, splitting thin liquidity across deployments. Third, we hard-coded fee logic into the core pool path instead of isolating it in a Hook, which made every fee change a redeploy. Each one was reversible, but only after we had paid for it.

03.Why does Uniswap v4 Hook design matter for DEX founders in 2026?

Each custom Hook on a Uniswap v4 DEX adds roughly two to four weeks of audit time and fifteen thousand to thirty thousand dollars in review cost. Hooks run inside the swap path, so a flaw becomes a protocol-wide risk. Founders should ship the smallest Hook surface that proves the product, then expand once liquidity and usage justify the added audit scope.