Recently, the Ethereum network activated the Dencun upgrade, which implemented EIP-4844. This proposal, aimed at introducing a new type of transaction, seeks to reduce the transaction fees for rollups, thereby advancing the scaling of Ethereum. This provides an excellent opportunity for me to explore the characteristics of transaction fees on Optimism in this blog post. Notably, as OP Mainnet is a rollup, it benefits from the Dencun upgrade. Before diving into a detailed explanation, let&apos...