Would you mind explaining why any 3rd party coin is more painless then any popular native pay service that does not need additional steps?
That's what's superior. Real money services require someone to pay real money.
This system could be done without the coin but I bet it would be more difficult to arrange transfer to each browser user.
Here is an article about it: https://www.investopedia.com/tech/how-much-does-it-cost-buy-...