In these days, large exchange caused huge credit problem in crypto industry. Almost in this industry have to brace for impact. How could a credit problem like this one have been avoided? We should stop blaming someone and start next effective idea. Because there is some possibility of taking a large mistake even if person who has a great brain. Satoshi Nakamoto invented Bitcoin as antiteze for traditional finance. We should return that point and discuss about right DeFi and its posibillity. T...