It's like being paid in IOU: "1% of this lottery ticket's winnings". There's multiple layers of risk and trust, too many dependencies. The transaction is too c

It's like being paid in IOU: "1% of this lottery ticket's winnings". There's multiple layers of risk and trust, too many dependencies. The transaction is too complicated and takes too long to complete. So the probability for exceptions to occur is great, and handling for those exceptions will likely fail due to the complicated nature of the transaction.