Earlier quoted context omitted.
What other kinds of ‘crypto gaming company’ _could_ there be?
Steam but where you actually own, and so can resell, your game licenses. And where other supply-side companies can take over providing the game-download-delivery logistics if the original company providing that service goes belly-up. Or: Pokemon, but you can trade the pokemon outside the game itself; and the game can prove that your competitive mon were authentically caught and raised, rather than hacked in, because…
This is already possible and always has been. The reason steam and the game studios haven’t implemented it is because it wasn’t in their interest to do so, not because they didn’t have the technology to.