DocuSign Good Code Hackathon Online A global hackathon for the greater good $50,000 in prizes Winners announced 1103 participants
Hedera22: Hello Smart Contracts Online Build the next game-changing decentralized application with scalable Solidity Smart Contracts on Hedera. $864,000 in prizes Winners announced 2472 participants
2019 Developer Circles from Facebook Community Challenge Online Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses. $167,500 in prizes Winners announced 12034 participants
