| Date | User | Challenge | Score |
| hanan0x37 | Network Attacks | 5 | |
| Zbook | ASCII | 5 | |
| Zbook | Great Snakes | 3 | |
| estoic_identity | Public Keys | 15 | |
| bannock | Favourite byte | 20 | |
| estoic_identity | Modular Exponentiation | 10 | |
| la_vltk | Encoding Challenge | 40 | |
| bannock | XOR Properties | 15 | |
| katikistan | Bytes and Big Integers | 10 | |
| 0xB4DFL4G | Legendre Symbol | 35 | |
| Zbook | Finding Flags | 2 | |
| estoic_identity | Round Keys | 20 | |
| estoic_identity | Structure of AES | 15 | |
| khanhdc7 | Legendre Symbol | 35 | |
| paranoct | Base64 | 10 | |
| bannock | XOR Starter | 10 | |
| Gifelaga | LWE Background | 5 | |
| paranoct | Hex | 5 | |
| paranoct | ASCII | 5 | |
| 0xB4DFL4G | Quadratic Residues | 25 | |
| paranoct | Network Attacks | 5 | |
| codewinfinito | XOR Starter | 10 | |
| paranoct | Great Snakes | 3 | |
| paranoct | Finding Flags | 2 | |
| codewinfinito | Bytes and Big Integers | 10 | |
| Milo__ | XOR Properties | 15 | |
| odysseus444 | XOR Starter | 10 | |
| slur | Great Snakes | 3 | |
| bannock | Bytes and Big Integers | 10 | |
| codewinfinito | Base64 | 10 | |
| slur | Finding Flags | 2 | |
| codewinfinito | Hex | 5 | |
| bannock | Base64 | 10 | |
| odysseus444 | Bytes and Big Integers | 10 | |
| codewinfinito | ASCII | 5 | |
| codewinfinito | Great Snakes | 3 | |
| codewinfinito | Finding Flags | 2 | |
| Amro_Hussein | Infinite Descent | 50 | |
| bannock | Hex | 5 | |
| 0xB4DFL4G | Modular Inverting | 25 | |
| bannock | ASCII | 5 | |
| jefedelsol | Resisting Bruteforce | 10 | |
| Ebrahim2028 | Factoring | 15 | |
| jefedelsol | Keyed Permutations | 5 | |
| bannock | Great Snakes | 3 | |
| bannock | Finding Flags | 2 | |
| odysseus444 | Base64 | 10 | |
| jefedelsol | Modular Arithmetic 1 | 20 | |
| Ebrahim2028 | RSA Decryption | 20 | |
| odysseus444 | Hex | 5 |
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