Stellar Meridian Hackathon 2020 Online Stellar Meridian Hackathon 2020 $12,000 in prizes Winners announced 162 participants
Code for Algeria: Covid19 Hackathon Online a hackathon to help Algerians face the Covid19 crisis Non-monetary prizes Winners TBD 83 participants
Blockstack Can't Be Evil Contest: Part 3 Online Build a Blockstack application that fits into one of the featured categories – and isn't evil $16,800 in prizes Winners announced 262 participants
San Diego Zoohackathon 2019 Escondido, CA, USA Coding to End Wildlife Trafficking $4,760 in prizes Nov 8 – 10, 2019 62 participants