# Building a Cross-Chain DEX with Chain Abstraction & Intents

- Speakers: [Shao](https://streameth.org/speakers/shao)
- Channel: [Devcon 7 SEA](https://streameth.org/devcon_7_sea)
- Date: 2024-11-20
- Duration: 20:58
- Watch: https://streameth.org/watch/673da4da17a97b4f4d551992

## Description

In a multi-chain world, creating a user-friendly DEX is challenging. This talk explores how a DEX can leverage intents and chain abstraction to offer seamless cross-chain trading. We'll discuss the implementation of ERC7683 and integration with Across Protocol to enable trading across multiple chains.

## About the speakers

### Shao

Shao co-founded Perpetual Protocol (perp.com)—the first AMM-based on-chain perpetual exchange, launched in 2019, which has served over 500,000 users with tens of billions in trading volume. 

This year, he’s focused on Nekodex (under PERP), a mobile-first DEX that lowers entry barriers by abstracting blockchain complexities, making crypto accessible to a broader audience.