Supernova Online Internet Computer Web3 Hackathon $880,000 in prizes Winners announced 3531 participants
HubSpot Themes Challenge 2021 Online Build website themes for HubSpot’s marketplace to compete for a Tesla and over $100,000 in cash prizes. $160,500 in prizes Winners announced 878 participants
Chainlink Fall Hackathon 2021 Online Build the next generation of hybrid smart contracts alongside developers, creators, artists, and industry-leading mentors from across the blockchain ecosystem. $606,500 in prizes Winners announced 1520 participants