# ETHDenver24 - Polygon Aggregation Layer: Cross-Chain Security Thru Chain-Level Accounting

- Channel: [Ethereum Denver](https://streameth.org/ethereum-denver)
- Date: 2024-10-25
- Duration: 08:56
- Watch: https://streameth.org/watch/yt-FQk4ZG0SHRs
- YouTube: https://www.youtube.com/watch?v=FQk4ZG0SHRs