This is a settlement problem. Coinbase is unable to settle money between different accounts. And there is a perfect solution for this. We can use blockchain....Oh Wait. /s On a serious note, building a production level real time two book entry system is hard. Many times money just disappears because both legs of transactions don't match. The only way to track is some real good amount of sleuthing. But given the amoun…
Each transaction has an ID and a user ID, how does money disappear?