| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 47 | Caesar Shift Cipher | SK | 3396 | 5.85 | |
| 145 | Modular Exponentiation | 790 | 8.38 | ||
| 66 | Caesar Cipher Cracker | 722 | 8.53 | ||
| 143 | Extended Euclidean Algorithm | 440 | 9.39 | ||
| 144 | Modular Inverse | 277 | 10.19 | ||
| 152 | RSA Cryptography | 164 | 11.10 | ||
| 168 | Caesar meets BF | 137 | 11.41 | ||
| 148 | Public Key Cryptography Intro | 138 | 11.40 | ||
| 153 | Fermat goes hacking RSA | 100 | 11.95 | ||
| 277 | The Adventure of Morse Code | zelevin | 56 | 12.95 | |
| 132 | Stream Cipher Breaking | 82 | 12.29 | ||
| 243 | Grille Encryption | 26 | 14.25 | ||
| 295 | Vigenere Cipher Cracker | 11 | 15.65 | ||
| 345 | Elliptic Curves Basics | 7 | 16.36 | ||
| 240 | Playfair Cipher Cracking | 7 | 16.36 |