KOC is short for ethereum's economic experimental game KeyOfContract.
KOC is an open source intelligent contract running on the ethereum network.
DeepWeb http://vtyajb3xj67a5koc.onion
Website https://kocweb.github.io/
telegram https://t.me/KeyOfContract2
Concept of contract
https://www.youtube.com/watch?v=mJAaKuNcTO4
Create Your Own Ultimate Wealth Freedom System
https://www.youtube.com/watch?v=t9gpXg1Yfu4
KOC's Incentive System
https://www.youtube.com/watch?v=OoAXFhtXexU