| Date | User | Challenge | Score |
| kkon | Confusion through Substitution | 25 | |
| kkon | Round Keys | 20 | |
| Anneta | Vote for Pedro | 150 | |
| Anneta | Signing Server | 60 | |
| kkon | Structure of AES | 15 | |
| davifelix | ECB CBC WTF | 55 | |
| Anneta | RSA Backdoor Viability | 175 | |
| Beretta | Finding Flags | 2 | |
| kkon | Resisting Bruteforce | 10 | |
| EldredKid8011 | ASCII | 5 | |
| Vasileios01 | RSA Signatures | 25 | |
| kkon | Keyed Permutations | 5 | |
| stamatia_psalti | Successive Powers | 60 | |
| PatrickL_SC | Elliptic Nodes | 150 | |
| Vasileios01 | RSA Decryption | 20 | |
| kkon | Transparency | 50 | |
| norahamu | Finding Flags | 2 | |
| Vasileios01 | Private Keys | 20 | |
| Vasileios01 | Euler's Totient | 20 | |
| Vasileios01 | Public Keys | 15 | |
| Vasileios01 | Modular Exponentiation | 10 | |
| davifelix | Lazy CBC | 60 | |
| mpg | Computing Public Values | 25 | |
| doneyit413 | PriMeD5 | 100 | |
| matibbb232 | Exceptional Curves | 100 | |
| rsinato | Lazy CBC | 60 | |
| jdcaudle | XOR Properties | 15 | |
| matibbb232 | Background Reading | 5 | |
| matibbb232 | Moving Problems | 150 | |
| matibbb232 | ProSign 3 | 100 | |
| matibbb232 | Curveball | 100 | |
| matibbb232 | Smooth Criminal | 60 | |
| matibbb232 | Montgomery's Ladder | 40 | |
| matibbb232 | Efficient Exchange | 50 | |
| Vasileios01 | Transparency | 50 | |
| matibbb232 | Curves and Logs | 40 | |
| stamatia_psalti | Chinese Remainder Theorem | 40 | |
| matibbb232 | Scalar Multiplication | 35 | |
| matibbb232 | Point Addition | 30 | |
| matibbb232 | Point Negation | 10 | |
| rlp81 | XOR Starter | 10 | |
| jdcaudle | XOR Starter | 10 | |
| Vasileios01 | SSH Keys | 35 | |
| Vasileios01 | CERTainly not | 30 | |
| ispo | ProSign 3 | 100 | |
| EldredKid8011 | Great Snakes | 3 | |
| EldredKid8011 | Finding Flags | 2 | |
| barcode | Resisting Bruteforce | 10 | |
| stamatia_psalti | Modular Square Root | 35 | |
| jdcaudle | Bytes and Big Integers | 10 |
You are now level Current level