Too Long; Didn't Read
The blockchain is more than just cryptocurrencies. It’s a decentralized network that can be <em>used</em> for currencies, but can also be used for a lot more. One of those things is decentralized apps, or DApps, which are currently being built for a multitude of purposes. In a not too distant future, it’s possible, even likely, that traditional servers will be seen as legacy technology.