Nowadays blockchain technology is used in different fields such as medicine, education, finance, business, property, as in anywhere. It is beneficial in any form because you can keep a huge amount of data and information in a decentralised way. Sharing or even securing your own data. Transferring of property and etc.
If we understood the concept of blockchain technology, we could basically apply it to different fields, blockchain means connection between transaction or data. Meaning to say that it is more appropriate to be applied to systems where the integrity of data is needed such as currency transactions, voting systems, identity systems, file sharing, and many other more.
There is plenty of use of blockchain technologies and right now we can apply it in all fields of industry, education, medicine and many more. And, I found a link where it includes some uses of blockchain technologies and I hope it can help you to answer your question. Here's the link.
Blockchain are structure data with strong validity. So far Blockchain already try to implemented for any things to control business.
Blockchain proved as good invention with product cryptocurrency (BTC/ETH/ other crypto.
I believe Blockchain is crazy things, could make system being better, just waiting more innovations come to be amazing things and kills those su*k system government and company.
The primary use of blockchain technology was to have a public tranportation ledger for crytocurrency. But now, blockchain technology can use on other fields such as on transportation, financial system, education and medical field because of its security than old transaction system.
Blockchain Technology can be used in different stuffs that ensures the security of data, this is not only applicable in financial stuffs. This can also apply to protects the data and avoid unnecessary modification.
Blockchain technology can be used to create a permanent, public, transparent ledger system for compiling data on sales, tracking digital use and payments to content creators, such as wireless users or musicians.
That's actually structure data which has complicated properties to change, real time, eternal. IT's new tech.. So far that was invented for cryptocurrency then have good things like Bitcoin.
If you asking about what's for? its possible to implemented in other sector more than cryptocurrency.