# Arbitrum: Off-Chain Contracts with On-Chain Security with Ed Felten

- Speakers: [Ed Felten](https://streameth.org/speakers/ed-felten)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2020-10-07
- Duration: 22:53
- Watch: https://streameth.org/watch/yt-P1ulenQRTEA
- YouTube: https://www.youtube.com/watch?v=P1ulenQRTEA

## Description

Arbitrum: Off-Chain Contracts with On-Chain Security
with Ed Felten from Offchain Labs