Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 9955 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28561 participants
Scrypto DeFi Challenge Online Build the next billion dollar decentralized application (dApp), built using Scrypto on Radix $50,000 in prizes Winners announced 434 participants
Hacka-Soroban-athon Online Experiment, write smart contracts, build tools, and get familiar with Soroban's developer environment. $5,750 in prizes Winners announced 232 participants