GramPay is a marketplace with TON Grams with escrow payments and dispute system. In a ~week, I made a smart-contract, wrote a backend and frontend for a chat between sellers and buyers.
GramPay received first place in the blockchain contest and was put on the first place in the list of third-party TON projects.GitHub
Telegram Web Client Contest
The task was to build a Telegram client in web in 2 weeks, using preferably raw MTProto protocol and without using any web frameworks. (React, Vue, Angular etc.)GitHub Submission
The task was to write own chart library in JS to achieve the best performance. During the contest I have learned WebGL and made that library that supports both <canvas> and WebGL.Final Submission
Other submissions: 2nd place ($4,500) 3rd place ($3,000) 4th place (€2,000)