| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 47 | Caesar Shift Cipher | SK | 3633 | 5.85 | |
| 145 | Modular Exponentiation | 857 | 8.36 | ||
| 66 | Caesar Cipher Cracker | 778 | 8.53 | ||
| 143 | Extended Euclidean Algorithm | 470 | 9.40 | ||
| 144 | Modular Inverse | 302 | 10.17 | ||
| 152 | RSA Cryptography | 179 | 11.07 | ||
| 148 | Public Key Cryptography Intro | 152 | 11.36 | ||
| 168 | Caesar meets BF | 138 | 11.52 | ||
| 153 | Fermat goes hacking RSA | 110 | 11.91 | ||
| 277 | The Adventure of Morse Code | zelevin | 63 | 12.87 | |
| 132 | Stream Cipher Breaking | 87 | 12.32 | ||
| 243 | Grille Encryption | 31 | 14.07 | ||
| 295 | Vigenere Cipher Cracker | 21 | 14.72 | ||
| 345 | Elliptic Curves Basics | 9 | 16.09 | ||
| 240 | Playfair Cipher Cracking | 9 | 16.09 |