Ethereum developers are considering new proposals to enhance the network's security by introducing more stringent invariants on transaction and block processing. These changes aim to make it more challenging to download, execute, and prove transactions and blocks, thereby increasing the overall security of the Ethereum blockchain. The initiative, led by developer Giulio Rebuffo, is part of ongoing efforts to improve the network's robustness. Future discussions are expected to focus on gas repricing strategies to further optimize Ethereum's performance and security.