| Date | User | Challenge | Score |
| senynmaman | Chinese Remainder Theorem | 40 | |
| ajoororteej | Bytes and Big Integers | 10 | |
| senynmaman | Modular Square Root | 35 | |
| alua | Pad Thai | 80 | |
| confucius | Quadratic Residues | 25 | |
| Adeka228 | Adrien's Signs | 80 | |
| senynmaman | Legendre Symbol | 35 | |
| M00rgana | Additive | 70 | |
| ajoororteej | Base64 | 10 | |
| senynmaman | Quadratic Residues | 25 | |
| confucius | Modular Inverting | 25 | |
| Abilmansur_Daure | Structure of AES | 15 | |
| ajoororteej | Hex | 5 | |
| VISAS_STARFROST | Triple DES | 60 | |
| Abilmansur_Daure | Resisting Bruteforce | 10 | |
| confucius | Modular Arithmetic 2 | 20 | |
| Abilmansur_Daure | Keyed Permutations | 5 | |
| CodingKoala | Base64 | 10 | |
| Jinx | Elliptic Nodes | 150 | |
| Haxr | Quadratic Residues | 25 | |
| CodingKoala | Hex | 5 | |
| CodingKoala | ASCII | 5 | |
| ajoororteej | ASCII | 5 | |
| VISAS_STARFROST | Lazy CBC | 60 | |
| Yerassyl_network | Modes of Operation Starter | 15 | |
| jeanchpt | Moving Problems | 150 | |
| CodingKoala | Great Snakes | 3 | |
| Adeka228 | Successive Powers | 60 | |
| CodingKoala | Finding Flags | 2 | |
| Adeka228 | Chinese Remainder Theorem | 40 | |
| Adeka228 | Modular Square Root | 35 | |
| ajoororteej | Great Snakes | 3 | |
| Yerassyl_network | Bringing It All Together | 50 | |
| mmy_rai | Confusion through Substitution | 25 | |
| ajoororteej | Finding Flags | 2 | |
| pinguuuu | XOR Starter | 10 | |
| senynmaman | The Good, The Pad, The Ugly | 100 | |
| Yerassyl_network | Diffusion through Permutation | 30 | |
| Jinx | Exceptional Curves | 100 | |
| adrine | Resisting Bruteforce | 10 | |
| Adeka228 | Legendre Symbol | 35 | |
| glitchcat | ECB CBC WTF | 55 | |
| Haxr | Modular Inverting | 25 | |
| shachar125 | Modular Inverting | 25 | |
| Yerassyl_network | Confusion through Substitution | 25 | |
| pinguuuu | Bytes and Big Integers | 10 | |
| Jinx | Smooth Criminal | 60 | |
| PanagiotisK | Modes of Operation Starter | 15 | |
| Yerassyl_network | Round Keys | 20 | |
| adrine | Keyed Permutations | 5 |
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