Ethereum will launch its first-ever hackathon, with an expected reward pool of $2 million, "designed to conduct the largest crowdsourced security audit of a blockchain codebase." The Ethereum Protocol Security (EPS) research team explained in a July 8 blog post that the so-called "hackathon" will see security researchers "actively looking for vulnerabilities in the protocol code" during a four-week "time-limited audit challenge."