No exactly the same, but your idea is a bit like secured credit cards: you give the bank $x as collateral, and that x is your credit limit on the card. If you want to lower you credit limit, withdraw. If you want to raise it, put more money in.
No exactly the same, but your idea is a bit like secured credit cards: you give the bank $x as collateral, and that x is your credit limit on the card. If you want to lower you credit limit, withdraw. If you want to raise it, put more money in.
