Just to reiterate, Once it gets inserted in their database you can use it and transfer it electronically. And they have your cash in hand. But they have alre

Just to reiterate, Once it gets inserted in their database you can use it and transfer it electronically. And they have your cash in hand. But they have already paid the cash in Advance or have credit with other banks so the cash has been exchanged even before you add it. Once you deposit the money they assign that amount to your account number. So no, they don't have two copies of the same money, All the money as been paid upfront or is given to them on credit. Well this is my understanding, I could be wrong.