"The danger, of course, is that the payment never makes it into this ledger" As a registrar I can confirm that we can back out and get our money refunded for a

"The danger, of course, is that the payment never makes it into this ledger" As a registrar I can confirm that we can back out and get our money refunded for any transaction within 5 days. Now you can't abuse that (and there is a ratio of reversals you can do w/o having a problem) but the risk they are taking by waiting is actually far less than a credit card risk where you lose big time if fraud is involved (it gets kicked out much later than the cutoff to get the money back for the registry fee). And with cc you get dinged with a penalty and lose the money.