Blockchain is not just crypto currencies. It was just the first use-case. I'd recommend to check out some of the links from the 1st section: Blockchain foundat

Blockchain is not just crypto currencies. It was just the first use-case. I'd recommend to check out some of the links from the 1st section: Blockchain foundations, on why we need decentralized technologies, such as blockchain. Our current internet is broken and blockchain could potentially help to make a change.