Blocko is a company enabling fintech through Blockchain, the same infrastructure powering Bitcoin. For decades, businesses and developers have relied on trusted 3rd parties, such as banks and governments, to certificate their confidential data and systems. But it has resulted in the growing numbers of security breaches and accidents. Using Blockchain, a decentralized manner, both security and transparency can be guaranteed. However, building services using Blockchain requires a careful design process and a lot of resources. Blocko helps businesses and developers to build applications and services on Blockchain by providing some powerful tools, CoinStack.