Have you ever wondered why ATM PIN has only 4 digits?
Why not 6 or 8 Digits?
Well, there is a reason behind it and the reason is very surprising.
However, have you ever thought what is the reason behind 4 digit code?
Why ATM PINs always have a 4 digit code?
Well, we dont have enough time to know everything.
However, the reason behind this is little funny.
So, it will be worth knowing why ATM PINs always have 4 Digit Code.
ATM was invented by a well-known Britisher John Adrian Shepherd-Barron.
He was born in Shillong and was born to Dorothy Barron (Wimbledon Ladies Double Champion).
While testing his invention John Adrian Shepherd-Barron proposed for a 6-digit PIN.
The first person to use his latest invention was his wife, Caroline.
So, 6-digit was too long for her to recall.
So, this was the reason why ATM PIN has only 4 digits.
Nowadays there are many banks that are offering a 6-digit PIN code for accessing the Debit cards.
However, sometimes we even forget our 4-digit code.
So, lets thank that woman.
