Fancy In Times Of Need

Riddle: I have four digits, I own a lot of cash money money, I'm kept a secret, but used on the daily. What am I?

Answer: Pin number.

Source: https://www.riddles.com/index.php/7430

I have four digits, I own a lot of cash money money, I'm kept a secret, but used on the daily. What am I? — Fancy in times of need by kaikaikaikai v1.

Riddle: I have four digits, I own a lot of cash money money, I'm kept a secret, but used on the daily. What am I? Answer: Pin number. — by kaikaikaikai v2.