Fees are the virtual fuel needed to power decentralized economies. They act as strong economic incentives to ensure blockchain users behave according to the network rules.

In this article we're going to teach you everything you need to know about gas fees on Optimism. By the end you'll grasp the mechanism fully, and be able to cast gas spells of your own.

In the previous post, we introduced rollups as the currently preferred L2 solution for scaling Ethereum and focused on Optimism.