> Nobody ever had a problem with verifiable receipts when attending concerts or buying a car or eating at a restaurant. They do when buying physical artwork, c

> Nobody ever had a problem with verifiable receipts when attending concerts or buying a car or eating at a restaurant. They do when buying physical artwork, coins, stamps, pokemon cards or other collectibles. There are plenty of things people buy that are only valuable because they are provably "genuine", and would be worthless if they were exact replicas with no provenance.