SATHYAMOORTHY's Polls

Why ATM cards have 4 digit password?

Almost some bank and finance ATM cards have 4digit password only, why? Actually 6 digit password was suggested by the ATMinventor John Adrian Shepherd Baronne in 1969. to be safest from hackers, but accepted to have 4 digits.why?
Show Results  |  Share  |  Report  |  2 votes  |  57 views

(200 symbols max)

(256 symbols max)