| Date | User | Challenge | Score |
| groth00 | Keyed Permutations | 5 | |
| khalid_salad | Bringing It All Together | 50 | |
| operator42ndst8 | Favourite byte | 20 | |
| Mayaracar2 | Point Addition | 30 | |
| Klaudia | No Way Back Home | 100 | |
| RedPandaDagger | Private Keys | 20 | |
| dpyr | Modular Arithmetic 1 | 20 | |
| operator42ndst8 | XOR Properties | 15 | |
| Mayaracar2 | Background Reading | 5 | |
| Goligx | Point Addition | 30 | |
| Mateusz_Kowalski | Modular Square Root | 35 | |
| Aitor1234 | XOR Properties | 15 | |
| operator42ndst8 | XOR Starter | 10 | |
| konradsz3 | Bringing It All Together | 50 | |
| Hazel | Prime and Prejudice | 200 | |
| vaggelisarg13 | Adrien's Signs | 80 | |
| IoaMertz | SSH Keys | 35 | |
| JoaoPedroPiceli | Collider | 50 | |
| szeter | XOR Starter | 10 | |
| Atlanticos | ASCII | 5 | |
| jerwas | Legendre Symbol | 35 | |
| dpyr | Extended GCD | 20 | |
| rampaq | Modular Inverting | 25 | |
| harish | Resisting Bruteforce | 10 | |
| Atlanticos | Great Snakes | 3 | |
| b0dj0x | Finding Flags | 2 | |
| konradsz3 | Diffusion through Permutation | 30 | |
| shingo312 | ASCII | 5 | |
| RedPandaDagger | Euler's Totient | 20 | |
| Tran_Hinh_Loai | You either know, XOR you don't | 30 | |
| Fronczyk_Mateusz | Additive | 70 | |
| shingo312 | Great Snakes | 3 | |
| szeter | Bytes and Big Integers | 10 | |
| shingo312 | Finding Flags | 2 | |
| Atlanticos | Finding Flags | 2 | |
| szeter | Base64 | 10 | |
| Goligx | Point Negation | 10 | |
| magic_hawk | Resisting Bruteforce | 10 | |
| konradsz3 | Confusion through Substitution | 25 | |
| szeter | Hex | 5 | |
| reber | Bean Counter | 60 | |
| RedPandaDagger | Public Keys | 15 | |
| Mirai_M11 | Chinese Remainder Theorem | 40 | |
| DavidTruong | Round Keys | 20 | |
| stefana_giosu | Resisting Bruteforce | 10 | |
| konradsz3 | Round Keys | 20 | |
| RedPandaDagger | Modular Exponentiation | 10 | |
| Natchuz | PriMeD5 | 100 | |
| stefana_giosu | Keyed Permutations | 5 | |
| mikeythedream | Favourite byte | 20 |
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