| Date | User | Challenge | Score |
| caffidev | Hex | 5 | |
| caffidev | ASCII | 5 | |
| 2989wolf | XOR Properties | 15 | |
| sfo | Privacy-Enhanced Mail? | 25 | |
| ivyhco | Great Snakes | 3 | |
| caffidev | Great Snakes | 3 | |
| caffidev | Finding Flags | 2 | |
| Lokillo507 | Bringing It All Together | 50 | |
| namtran1305 | Manyprime | 40 | |
| cosmic777 | ASCII | 5 | |
| Lokillo507 | Diffusion through Permutation | 30 | |
| izziePZ | Base64 | 10 | |
| Lokillo507 | Confusion through Substitution | 25 | |
| JoMi | Base64 | 10 | |
| Krako | Image Point Arithmetic | 30 | |
| wsc37 | Modular Binomials | 80 | |
| 2989wolf | XOR Starter | 10 | |
| MrJLD | Flipping Cookie | 60 | |
| cosmic777 | Network Attacks | 5 | |
| mcastro28 | Quadratic Residues | 25 | |
| Arnav_Thakare | Salty | 20 | |
| EventSch | JWT Sessions | 10 | |
| JoMi | Hex | 5 | |
| cosmic777 | Great Snakes | 3 | |
| Arnav_Thakare | Manyprime | 40 | |
| cosmic777 | Finding Flags | 2 | |
| EventSch | Token Appreciation | 5 | |
| Lokillo507 | Round Keys | 20 | |
| 2989wolf | Bytes and Big Integers | 10 | |
| Natchuz | Merkle Trees | 25 | |
| wsc37 | Adrien's Signs | 80 | |
| MP18 | ECB Oracle | 60 | |
| 2989wolf | Base64 | 10 | |
| wsc37 | Chinese Remainder Theorem | 40 | |
| Lokillo507 | Structure of AES | 15 | |
| wsc37 | Modular Square Root | 35 | |
| 2989wolf | Hex | 5 | |
| wsc37 | Legendre Symbol | 35 | |
| 2989wolf | ASCII | 5 | |
| 2989wolf | Great Snakes | 3 | |
| mcastro28 | Modular Inverting | 25 | |
| mcastro28 | Modular Arithmetic 2 | 20 | |
| wsc37 | Quadratic Residues | 25 | |
| wsc37 | Modular Inverting | 25 | |
| 2989wolf | Finding Flags | 2 | |
| wsc37 | Modular Arithmetic 2 | 20 | |
| mcastro28 | Modular Arithmetic 1 | 20 | |
| wsc37 | Modular Arithmetic 1 | 20 | |
| wsc37 | Extended GCD | 20 | |
| wsc37 | Greatest Common Divisor | 15 |
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