What are you saying? blockchain is not a cryptocurrency, it is a technology that is used to secure data and makes all stored data impossible to modify, but blockchain is not limited for securing cryptocurrency, it can also be use to secure different kinds of data. [...]
Sure, you can store all sorts of data using a blockchain. But who will secure a blockchain without monetary incentive? Or rather... what alternative is there without falling back to solutions that either require a) centralization or b) trust or c) possibly both?