I can envision an application of blockchain to music. A record company could produce copies by digitally signing each official copy of a song. Each owner would have verifiable right to ownership.
I could own a copy of the song, and then sell it to someone else in the same way we used to sell our CDs. Or if I died, I could pass some or all of my collection to others. The record industry might be very different now if this concept had taken root in 2000 rather than the Napster era which gave rise to the streaming services.
Another practical application of this would be that artists could sell tickets to a concert that would include an official digitally-signed recording of the concert.
A signed digital copy could not be stolen because it would be logged in the blockchain to me and music players could verify ownership against the chain. The music player doesn't even need to know who I am, just that owner #34F25-588W4-GR31b-7H20n owns a copy of that song, and the owner of the music player is or is not #34F25-588W4-GR31b-7H20n. Although let's face it, they would want to know who I am because business loves collecting data, but that's a separate issue.
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