According to Foresight News, Ethereum's modular execution layer, Fuel, has teamed up with Immunefi to launch a crowd-sourced security audit contest, Attackathon, with a total prize pool of $1.3 million. The initiative will kick off with a public competition focused on the Fuel codebase, offering $1 million in prizes. By the end of May, Fuel launched its final public testnet on the Sepolia network, supported by Fuel Rollup OS.