[jakelazaroff]

This isn’t really a technology problem.

Let’s say such a blockchain did exist. You buy Battlefield or some other game, years pass and EA bans your account. You want to download the game again. How are you going to do that? Sure, the blockchain is public, but EA can just maintain their own list of people to ban.

Okay, so maybe we pass a law that says that if you have a record on that blockchain companies must let you access your digital goods. You take EA to court for banning you despite having purchased the game. What’s the advantage over a database run by the government? The court trusts the government database, since they are the government, and you and EA have no choice but to listen to the court — they’re the ultimate trusted third party.