And then, when it turns out that the option for which a person made a prepayment didn't work out, the guarantor starts sending the money back... to some on cards, to some on Qiwi, to some on Yandex.Money, and to some even on PokerStars.
But in general, it would be better to ask Bishop what real difficulties arose in the Charity event? 100% prepayment, tournament according to the rules.