PropellerSwap

Router v3 has completed a comprehensive 3-month audit process, with the full report now available on GitHub. **Key Security Features:** - The contract is **immutable**, preventing unauthorized modifications - New AMM executors must pass through a **3-day timelock** before implementation - This timelock provides a safety window for community review of any proposed changes The audit report can be reviewed at: [GitHub Audit Report](https://github.com/propeller-heads/tycho-indexer/blob/8b8684fb324db8df54473f1f4838966e6a76cede/crates/tycho-execution/docs/audits/Max_2026-05-15.pdf) These security measures build on the protocol's existing governance framework, where contracts, executors, timelocks, and treasury flows remain fully auditable on-chain.

**Router v3 tackles transaction reverts with vault injection** Users can now prevent failed trades by depositing tokens into a vault within Router v3. The system automatically uses just enough funds from your vault to complete trades that would otherwise fail. **Key features:** - Deposit funds and set spending limits - Router draws minimal amounts needed to save trades - Reduces gas fees by eliminating extra transfers - Vault balance can be used directly for market making The vault system streamlines fee handling by moving them directly to your router balance instead of requiring separate transactions.

Fynd has released Router v3, an open-source routing solution that enables protocols to monetize transaction flow and reduce failed trades. **Key Features:** - Take fees and subsidize trades without deploying additional smart contracts - Self-hosted router and fee-taking infrastructure - Anti-revert mechanism that injects tokens from your vault to prevent transaction failures - Customizable deposit limits to control subsidy amounts The router automatically uses minimal funds needed to save trades from reverting, addressing a common pain point in DeFi swaps. All code runs on your own server, giving protocols full control over their routing infrastructure. [Learn more about Router v3](https://fynd.com)

The Uniswap Foundation has awarded a grant to Tycho and Fynd to build faster infrastructure for decentralized exchange operations. **Key improvements:** - Pool simulations accelerated to 900 nanoseconds per quote - Indexing capability for over 100,000 Uniswap pools with zero state inconsistencies - Maintains accuracy during Flashblocks and blockchain reorganizations - Enables trading of v4 hooks within minutes of deployment The Tycho platform is now available for developers to integrate Uniswap v4 pools. Users can run the [quickstart guide](https://docs.propellerheads.xyz/tycho/for-solvers/quickstart) to subscribe to pools and simulate swaps. This infrastructure upgrade aims to improve the speed and reliability of decentralized exchange operations across the Uniswap ecosystem.

A trading bot called Stabiliser completed a 60-day live test on Ethereum mainnet, trading the ETH/USDC pair with notable results: **Performance Metrics:** - **+9.55% profit** in USD terms (after gas costs) - **32% outperformance** vs. simply holding ETH - Executed during a period when ETH declined 22% **Trading Activity:** - ~1,500 trades executed - Selected from 18,000 identified opportunities - Ran on mainnet before public release The bot demonstrated its ability to generate positive returns in a declining market by actively managing positions rather than holding static assets. The strategy's selectivity—executing only 8% of identified opportunities—suggests a disciplined approach to trade execution.

**Stabiliser**, an open-source bot built on Tycho, automates peg maintenance for stablecoin teams and arbitrage traders. The tool handles the repetitive work of: - Integrating with DEXs - Monitoring price feeds - Managing trade execution - Tracking performance metrics Built entirely in Rust, Stabiliser watches a reference price and automatically trades on DEX pools to push prices back toward the peg. This eliminates the need for teams to build custom keeper bots from scratch. [View documentation](https://tycho-stabiliser.gitbook.io/docs/) | [Track performance](https://stabiliser.vercel.app)

**DEXs are now competing in auction-style bidding wars** for your trade orderflow, fundamentally changing how decentralized exchanges operate. **The New DEX Auction Model** To win trades, DEXs must: - Know market rates they can bid - Monitor competitor quotes - Bid strategically without overpaying - **Keep bids private** **Strategic Adaptations** - DEXs colocate with solvers to dynamically outbid competitors - Increased programmability through v4 hooks and concentrated liquidity - LPs help fine-tune pools for maximum volume and profit **Price Freshness Tactics** DEXs align with fast traders through: - **Angstrom**: Auctions trading rights at block tops - **Uniswap Protocol Fee Discount**: Fee-free trading auctions Both incentivize traders to update pool prices to latest market rates. **Competitive Secrecy** DEXs now: - Keep code private - Share quotes only with select aggregators and builders - Make competition harder for rivals This represents just the beginning of evolving DEX competition strategies. [Read full analysis](https://www.propellerheads.xyz/blog/how-to-win-as-a-dex)

**Wraxyn breaks silence** on using Tycho as their competitive advantage for solver operations. Most Tycho users keep their usage private, but Wraxyn decided to share how they leverage the platform to: - **Win more volume** on UniswapX - **Optimize performance** on CoWSwap - **Gain solver advantages** through Tycho's edge **Why Tycho matters:** Tycho standardizes data from multiple DEXs like Curve and Balancer, following ERC 7815 standards. This eliminates the need for solvers to adapt routing logic to different DEX interfaces. **Key benefits:** - Seamless data streaming - Unified DEX interface - Simplified solver operations Wraxyn's transparency offers rare insight into how professional solvers gain competitive advantages in the MEV landscape.

**Tycho now supports Eulerswap routing** without weeks of integration work. Solvers can access the Uniswap v4 hook by simply adding 'uniswap_v4_hooks' with euler_hook_filter to their client config. **Key advantages:** - **50x effective depth** on stable pairs through just-in-time borrowing from Euler Finance vaults - **Reduced slippage** for large swaps on stablecoin pairs - **Automatic dependency management** via Tycho's Dynamic Contract Indexing (DCI) Eulerswap borrows output tokens from lending vaults during swaps, creating deeper liquidity for pegged assets. This makes it particularly competitive for stablecoin trading. Tycho's DCI handles complex contract dependencies automatically, eliminating manual integration work. The system traces vaults, oracles, and hooks server-side, streaming data to clients for in-memory swap simulation. This marks the first of many hooks Tycho will support, with plans to include Balancer v3, Fluid, and other Uniswap v4 hooks. [Get started with integration docs](https://docs.propellerheads.xyz/tycho)

**Turbine** is positioning itself as the first trustless peer-to-peer exchange platform. The platform aims to enable direct peer-to-peer trading without requiring intermediaries or centralized control. This approach could address common issues in traditional exchanges like: - Counterparty risk - Custody concerns - Centralized points of failure By operating in a trustless manner, users would maintain control of their assets throughout the trading process. The peer-to-peer model suggests direct matching between traders rather than relying on market makers or liquidity pools. This development follows growing interest in decentralized trading infrastructure that prioritizes user sovereignty and reduces reliance on centralized entities.