What is Online Gambling?

This is still indirect Consideration. It doesn't matter who is paying whom. If a transfer of money is a prerequisite, it's still Consideration.

You can't transfer money for gachapon tickets, you transfer nx points which any trade law doesn't acknowledge as a form of currency. That's the big point you're missing, NX=/=American dollar by every legal standard imaginable.

Okay, so there's a lack of federal protection. They still can't legally sell to Texans.

Yes they can because as stated, the federal does not recognize NX as a form of currency, the state of texas, and every other state does not recognize nx as currency. Just because you bought the prepaid card with money does not mean it automatically transfers it's identity. It's like buying a gold coin. You can't use a gold coin in a retail store, but you can wager it, even though it does have a defined value, as the dollar represents gold reserves.