![Why some countries now use 6-digit PINs instead of 4, Inventor of ATM & Wife who made ATMs have 4-digit PINs & more Why some countries now use 6-digit PINs instead of 4, Inventor of ATM & Wife who made ATMs have 4-digit PINs & more](https://i2.wp.com/www.biegyanation.com/wp-content/uploads/2019/09/Inventor-of-ATM-John-Adrian-Shepherd-Barron.jpg?fit=800%2C445&ssl=1)
Why some countries now use 6-digit PINs instead of 4, Inventor of ATM & Wife who made ATMs have 4-digit PINs & more
![IntegriSure sur Twitter : "1/4: For this week's #50PlusHero we are going back in time to 1849 when an American mechanic and inventor Walter Hunt, invented the safety pin at the age IntegriSure sur Twitter : "1/4: For this week's #50PlusHero we are going back in time to 1849 when an American mechanic and inventor Walter Hunt, invented the safety pin at the age](https://pbs.twimg.com/media/EJ-G39kWsAECizs.jpg)
IntegriSure sur Twitter : "1/4: For this week's #50PlusHero we are going back in time to 1849 when an American mechanic and inventor Walter Hunt, invented the safety pin at the age
10Pcs Sakelar Tombol Tekan Micro PCB Board 4 PIN SMD 4.5x4.5x3.8/4.3/4.5/5/6/7mm 「inventor.ph」 | Shopee Philippines
![TechniCom test-Part 8 shows how Inventor and SolidWorks compare for Mechatronics | Ray Kurland's Blog TechniCom test-Part 8 shows how Inventor and SolidWorks compare for Mechatronics | Ray Kurland's Blog](https://raykurland.files.wordpress.com/2011/02/7-2mechatronics-inventor-wire-import.png)