Simple coding-decoding: Word to word substitution
medium
1 of 5 Lessons
Selective coding using positional alphabet values
medium
2 of 5 Lessons
Coding based on prefix and suffix rules logic
medium
3 of 5 Lessons
Matrix coding and decryption methods for banks
medium
4 of 5 Lessons
Condition-based coding for number and symbol sets
medium
5 of 5 Lessons