# Amir Bandeali I DEX Aggregation Is Harder Than You Think I 0x I Pragma San Francisco 2024 - Channel: [ETHGlobal](https://streameth.org/ethglobal) - Date: 2025-10-09 - Duration: 20:47 - Topics: DEX aggregation, decentralized exchange, 0x Labs, Matcha, Amir Bandeali, crypto routing, permit2, fee-on-transfer tokens, MEV, arbitrage, latency, blockchain security, multi-chain DEX, quote accuracy, Ethereum, token swaps, blockchain scalability, gas efficiency, liquidity pools, decentralized trading - Watch: https://streameth.org/watch/yt-V68fMr_Qtxg - YouTube: https://www.youtube.com/watch?v=V68fMr_Qtxg ## Description Learn why DEX aggregation is significantly more complex than it appears with Amir Bandeali, co-founder of 0x Labs. This talk explores the challenges and innovations in decentralized exchange (DEX) aggregation, including advanced routing algorithms, price accuracy, latency issues, and security risks. Amir discusses the latest improvements in Matcha and the 0x API V2, highlighting permit2 architecture, efficient support for fee-on-transfer tokens, and strategies for secure, scalable multi-chain DEX integration. 00:00 Intro: Understanding DEX Aggregation Complexity 00:36 About 0x Labs and Matcha Aggregation Platform 01:24 Evolution of 0x Aggregation: Transition to V2 02:02 Overview of the New 0x API V2 Architecture 02:44 Argon: Advanced Routing and Pricing Engine Explained 03:22 Why Optimal Pricing Matters in DEX Aggregation 04:06 Importance of Aggregation on High-Cost and Low-Cost Chains 04:36 Complex Routing Examples on Matcha 06:32 Challenges with Routing Complexity: Latency Issues 07:10 Hidden Problem: Quote Accuracy in DEX Aggregation 07:46 Why Low Latency Is Crucial for Trading Performance 09:03 Exploring Quote Inaccuracies and False Positives 10:17 The Problem with Intent-Based DEXs and Indicative Quotes 11:27 Risks of Arbitrage and MEV on Executable Quotes 12:43 Enhancing Quote Accuracy through Advanced Simulation 13:26 Coverage and Security Challenges in Multi-chain Environments 14:41 Why Traditional Upgradable Architectures Fail in DEX Aggregation 15:20 Rapid and Secure Upgrades with 0x API V2 16:32 New Security Model: Permit2 Architecture Explained 17:47 Allowance Holder Smart Contract for Enhanced Security 18:28 Support for Meme Coins and Fee-on-Transfer Tokens 19:09 Streamlined Fee Collection in Stablecoins or Preferred Tokens 19:44 Accurate Gas Estimates and Quote Validation Improvements 20:23 Final Advice: Why Not to Roll Your Own DEX Aggregator _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ๐Ÿ‡บ๐Ÿ‡ธ *Pragma San Francisco* Pragma San Francisco 2024 was a special gathering of founders and builders that took place October 16th and 17th at The Contemporary Jewish Museum in San Francisco, CA. Pragma San Francisco 2024 was an opportunity discuss the future of web3 and reflect on the past. Watch the full Pragma San Francisco playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh4LcwDpGf_itZrAu7XRNb07&si=3x3y9J3avgNTITUe ETHGlobal's Pragma series takes place in cities around the world, and is designed to be a different kind of event. Pragma is a one-stage conference with founders-only on stage, bringing together a small group of curated attendees and speakers to discuss the future of web3 and reflect on the past. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ โœ… *Follow Amir Bandeali* X: https://x.com/abandeali1 โœ… *Follow 0x* X: https://x.com/0xproject โœ… *Follow ETHGlobal* X: https://x.com/ETHGlobalโ€‹ Warpcast: https://warpcast.com/ethglobal Website: https://ethglobal.com YouTube: https://www.youtube.com/c/ETHGlobal _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Are you interested in Ethereum development and entrepreneurship?_ ๐Ÿ‘‰ Sign up for the next ETHGlobal event: https://ethglobal.com/events ๐ŸŽ Get exclusive access and perks with ETHGlobal Plus! https://ethglobal.com/plus ๐Ÿ“ฃ Want us to throw an event in your city? Tell us where! https://ethglobal.com/city _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _