3 ms·
Luhn's checksum can discover any single digit error, but there's a stronger checksum algorithm that can also discover any transposition: https://en.wikipedia.o
by beagle3 9y ago
Luhn's checksum can discover any single digit error, but there's a stronger checksum algorithm that can also discover any transposition:
https://en.wikipedia.org/wiki/Verhoeff_algorithm https://en.wikipedia.org/wiki/Verhoeff_algorithm