Arbitrum is a L2 scaling solution for Ethereum. In this tutorial we will be looking at how optimistic roll ups work, deploying a contract and then carrying out a swap on L2.

Arbitrum is a layer 2 scaling solution for the Ethereum network. In this tutorial we will be looking at how optimistic roll ups work, deploying a smart contract to Arbitrum and then carrying out a token swap on layer 2 using Uniswap.

00:00 What Is Arbitrum? 00:23 How Optimistic Rollups Work 02:00 Arbitrum Rinkeby 02:48 Arbitrum Token Bridge 04:44 Setting Up Truffle 06:54 Deploy To Arbitrum 07:36 Developer Notes 08:26 Uniswap On Arbitrum 09:33 Conclusion