I know that this could be achieved with Maidsafe, but the SAFE Network hasn't gone to mainnet (or released yet) and it would make me have to wait some time for it to happen. Unless there is a way which I am not aware of, then it would be fantastic.
If storing data onto the blockchain (like files or documents, etc) is already possible, can you please let me know which coin or what method could be used to achieve this?
For storing public nn confidential files. I would suggest you use Github.com.
You could also try drive.google.com (google drive), they allow for free site storeage when the storage is made with their docs/sheets or presentations.
Also, sites.google.com is another good optioin for copying and pasting data too.
You can also hold the sites privately and i is good to store.
I think you can set up messages on transactions that can store this information.