As an advocate of FLAC, it has limited appeal beyond Hi-fi geeks / archivists / or music makers. Heck even storing local MP3 files is dated (though not recommended) with the proliferation of comprehensive streaming services (no endorsement on my part)
All other properties must be verified by the client, don't require a blockchain, and are typically some other cryptographic proof.
There are many properties of a blockchain that are an anti-feature of voting.