Recent discussions within the Ethereum community highlight the importance of parallelization and internal scaling in Ethereum rollups to address scalability issues. Vitalik Buterin, Ethereum's chief scientist, emphasizes the need for parallel execution and parallelized state access to support millions of users on Layer 2s. The Dencun hard fork, activating proto-danksharding (EIP-4844 or blobs), aims to unlock massive Layer 2 scalability gains. Developers are exploring ways to increase computational density for individual blockchain layers, enabling more users and apps through parallel processing of transactions.