Normally, it's not public knowledge where the defendant or liable party gets the money to pay the court costs, the fine, the judgement or the appeal bond. But normally the defendant is not a candidate for political office, much less a presidential candidate.
Unlike contributions to a political campaign which are covered by FEC rules, anybody, including foreign governments and despots, can pay Trump's legal bills. If Trump somehow comes up with the money which he claims he does have, the American people have the right to know who Trump owes. Or will Trump be simply bought and paid for by Putin or some other malevolent person a group of persons?
(CNBC)Donald Trump does not have enough cash to obtain an appeal bond that would prevent New York’s attorney general from seizing his real estate assets to satisfy a $454 million civil fraud judgment, his lawyers indicated in a court filing Monday.
Trump’s lawyers in the filing said it has proved “impossible” for the former president to get a bond that would secure the full judgment he faces while he appeals the verdict ordering him to pay it.