Education should comes from two part, "self-solving and learning" and "rewards"
What it does
This is website makes this happen that people can post interesting challenge, it can be a math, chemistry question or hackers' problems. People can sign up for the challenge and solve the problem and get the rewards from who post the challenging.
How I built it
I build this website with nit firebase and angular.js in 50 hours.
Challenges I ran into
The internet poor, so the cdn just fail for a lot of time and I debug it for a long time...