What makes Arbitrum different?
Developed by Offchain Lab and launched in 2021, Arbitrum is a time-tested and secure optimistic rollup technology. It has since then grew to become the largest L2 with a vibrant ecosystem of DeFi protocols and other dapps.
![](https://cdn.prod.website-files.com/625440d0613eaa2ace513f45/65ba65726da8bec14c119b36_illu-min.png)