In my opinion BlockChain is not a goal but a means. It is also not a ‘magic trick’ which solves everything.
However, for the right situation it can be a very good solution. Ledgable | Indigo uses BlockChain technology in a very smart way by using it as a base for storage.
Not only the reference (hashes) but also the data itself can be stored in a Chain. This is in contrast to many other solutions.
The full article is (in dutch) on LinkedIn