This document describes an upcoming 4-week hackathon organized by Encode to train web3 developers. The hackathon will focus on building projects using layer 2 scaling solutions like AltLayer, Boba Network, zkSync, and Metis. Participants can work individually or in teams, and there will be technical workshops and mentorship provided. Several sponsors are providing prize money for different challenges around building applications on their respective layer 2 platforms. The deadline to submit projects is November 13th, and submissions should include code, a demo video, and optional presentation materials.