| Date | User | Challenge | Score |
| AadityaKoder29 | Finding Flags | 2 | |
| Peter_Atonga | Extended GCD | 20 | |
| ragexe | Monoprime | 30 | |
| Meky | Great Snakes | 3 | |
| Hatem | Deriving Symmetric Keys | 40 | |
| carloss | Finding Flags | 2 | |
| Hatem | Computing Shared Secrets | 30 | |
| Hatem | Computing Public Values | 25 | |
| Lyxchee | Adrien's Signs | 80 | |
| Hatem | Generators of Groups | 20 | |
| Hatem | Working with Fields | 10 | |
| Meky | Finding Flags | 2 | |
| yoake0037 | Favourite byte | 20 | |
| haoran | Great Snakes | 3 | |
| Wienerboy | Bringing It All Together | 50 | |
| j03_O6 | Bytes and Big Integers | 10 | |
| jdkko | You either know, XOR you don't | 30 | |
| ragexe | Inferius Prime | 30 | |
| haoran | Finding Flags | 2 | |
| Knight007 | Finding Flags | 2 | |
| Peter_Atonga | Greatest Common Divisor | 15 | |
| j03_O6 | Base64 | 10 | |
| yoake0037 | XOR Properties | 15 | |
| nous | pekobot (AIS3 Pre-Exam) | 0 | |
| Hawret | ASCII | 5 | |
| lyrad | Base64 | 10 | |
| huayijing | Finding Flags | 2 | |
| 29bda84d | Legendre Symbol | 35 | |
| yoake0037 | XOR Starter | 10 | |
| haiderontheradar | Modular Square Root | 35 | |
| Whanos | Modular Inverting | 25 | |
| Wienerboy | Diffusion through Permutation | 30 | |
| yoake0037 | Bytes and Big Integers | 10 | |
| j03_O6 | Hex | 5 | |
| yoake0037 | Base64 | 10 | |
| HandballHannes | Endless Emails | 150 | |
| yoake0037 | Hex | 5 | |
| yoake0037 | ASCII | 5 | |
| j03_O6 | ASCII | 5 | |
| yoake0037 | Great Snakes | 3 | |
| yoake0037 | Finding Flags | 2 | |
| wsmbj | Finding Flags | 2 | |
| assil | Finding Flags | 2 | |
| nhatluong07 | XOR Properties | 15 | |
| Hawret | Great Snakes | 3 | |
| Rujul | XOR Properties | 15 | |
| saik0007 | XOR Starter | 10 | |
| 0xB4DFL4G | Modular Square Root | 35 | |
| Adarsh | Lo-Hi Card Game | 120 | |
| nullbyte0x00 | Legendre Symbol | 35 |
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