| Date | User | Challenge | Score |
| Nomad0x | Keyed Permutations | 5 | |
| CraftingNerf | Resisting Bruteforce | 10 | |
| Wisdom_doom | Structure of AES | 15 | |
| CraftingNerf | Keyed Permutations | 5 | |
| FieryBanana101 | Abelian SIDH | 90 | |
| ghinocastillogt | Base64 | 10 | |
| hihihiya | Finding Flags | 2 | |
| ghinocastillogt | Hex | 5 | |
| Nomad0x | Quadratic Residues | 25 | |
| snipezyrah | XOR Properties | 15 | |
| zagrana | Curves and Logs | 40 | |
| zagrana | Point Addition | 30 | |
| zagrana | Point Negation | 10 | |
| 306787 | Finding Flags | 2 | |
| zagrana | Deriving Symmetric Keys | 40 | |
| Airan | Finding Flags | 2 | |
| zagrana | Computing Shared Secrets | 30 | |
| ghinocastillogt | ASCII | 5 | |
| zagrana | Background Reading | 5 | |
| zagrana | Generators of Groups | 20 | |
| zagrana | Computing Public Values | 25 | |
| ghinocastillogt | Great Snakes | 3 | |
| zagrana | Working with Fields | 10 | |
| zagrana | Salty | 20 | |
| zagrana | Manyprime | 40 | |
| snipezyrah | XOR Starter | 10 | |
| zagrana | Monoprime | 30 | |
| zagrana | Square Eyes | 35 | |
| zagrana | Chinese Remainder Theorem | 40 | |
| zagrana | Modular Square Root | 35 | |
| Nilsen074 | ASCII | 5 | |
| zagrana | Modes of Operation Starter | 15 | |
| snipezyrah | Bytes and Big Integers | 10 | |
| zagrana | Legendre Symbol | 35 | |
| zagrana | Quadratic Residues | 25 | |
| zagrana | Round Keys | 20 | |
| zagrana | Diffusion through Permutation | 30 | |
| zagrana | Confusion through Substitution | 25 | |
| zagrana | Keyed Permutations | 5 | |
| zagrana | Resisting Bruteforce | 10 | |
| zagrana | Structure of AES | 15 | |
| snipezyrah | Base64 | 10 | |
| snipezyrah | Hex | 5 | |
| snipezyrah | ASCII | 5 | |
| nous | Quo vadis? (ECSC 2024 (Italy)) | 0 | |
| snipezyrah | Great Snakes | 3 | |
| snipezyrah | Finding Flags | 2 | |
| FieryBanana101 | André Encoding | 80 | |
| Nilsen074 | Network Attacks | 5 | |
| wooferguy | Chinese Remainder Theorem | 40 |
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