| Date | User | Challenge | Score |
| lucky123 | Gotta Go Fast | 40 | |
| Loivan | Point Addition | 30 | |
| sdbillah | Bytes and Big Integers | 10 | |
| Adisakd29 | Finding Flags | 2 | |
| pinklemonade | Bytes and Big Integers | 10 | |
| gigisoave | Keyed Permutations | 5 | |
| telepuzik | Greatest Common Divisor | 15 | |
| Kanad3 | Gaussian Reduction | 50 | |
| junkfile | Quadratic Residues | 25 | |
| Loivan | Point Negation | 10 | |
| qwe12344 | Greatest Common Divisor | 15 | |
| SPAIN_marine | Finding Flags | 2 | |
| Loivan | Background Reading | 5 | |
| ShahdElrawy | Diffusion through Permutation | 30 | |
| n30nx | Roll your Own | 125 | |
| cpicozzi | Stream of Consciousness | 80 | |
| Loivan | Export-grade | 100 | |
| junkfile | Keyed Permutations | 5 | |
| Dimitris_Toulis | Lazy CBC | 60 | |
| Phy130130 | Greatest Common Divisor | 15 | |
| Nordic12543 | Hex | 5 | |
| aboj0 | Modular Arithmetic 2 | 20 | |
| junkfile | ASCII | 5 | |
| cafecafe | Base64 | 10 | |
| aboj0 | Modular Arithmetic 1 | 20 | |
| cafecafe | Hex | 5 | |
| aboj0 | Extended GCD | 20 | |
| cafecafe | ASCII | 5 | |
| agentjlrmt | No Random, No Bias | 120 | |
| cafecafe | Network Attacks | 5 | |
| gigisoave | Modular Binomials | 80 | |
| Loivan | Parameter Injection | 60 | |
| junkfile | Finding Flags | 2 | |
| agentjlrmt | Double and Broken | 50 | |
| telepuzik | Network Attacks | 5 | |
| aboj0 | Greatest Common Divisor | 15 | |
| Bhattay2001 | Finding Flags | 2 | |
| Tomman55 | ASCII | 5 | |
| qwe12344 | Bytes and Big Integers | 10 | |
| cafecafe | Great Snakes | 3 | |
| Tomman55 | Great Snakes | 3 | |
| Nasimi | Resisting Bruteforce | 10 | |
| Zira | ECB Oracle | 60 | |
| cafecafe | Finding Flags | 2 | |
| Nasimi | Transparency | 50 | |
| tanis3050 | Adrien's Signs | 80 | |
| Nasimi | Keyed Permutations | 5 | |
| agentjlrmt | ProSign 3 | 100 | |
| agentjlrmt | Curveball | 100 | |
| Loivan | Deriving Symmetric Keys | 40 |
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