On Wednesday the much anticipate Dencun Upgrade was launched on Ethereum's mainnet. Data from blockchain analyst Marcov's Dune-based tracker reveals a remarkable drop in transaction fees across various scaling solutions. Optimism's fees have plummeted to nearly 4 cents, down from $1.4. Coinbase's Base and Arbitrum's fees also saw similar declines. The integration of blobs allowed layer 2 rollups like Optimism and zkSync to store data more efficiently, streamlining transactions and enhancing cost-effectiveness.