You get a reward for using your (GTbank) card on POS terminals with cash back in your account
It's faster because there will be no need to fumble for change
It's safer because you would not need to carry large sum of Cash
Withdrawing cash can attract fees such as when you use your card on another bank's ATM
It is more convenient than queuing up to use an ATM
It is neater than cash that is passed hand to hand through out the country which holds dirt and bacteria
It is very accountable as all transactions are recorded