| Date | User | Challenge | Score |
| kyc | Common Ground | 75 | |
| ShiperNova | Collider | 50 | |
| ShiperNova | PriMeD5 | 100 | |
| lll111 | Common Ground | 75 | |
| ShiperNova | No Difference | 175 | |
| lydxn | Long Story Short | 60 | |
| lydxn | Seventy-Two | 50 | |
| ShiperNova | Point Addition | 30 | |
| somnathbhunia1 | Base64 | 10 | |
| xtrm0 | Common Ground | 75 | |
| somnathbhunia1 | Hex | 5 | |
| xtrm0 | Rhetorical Oracle | 100 | |
| MisOo | XOR Starter | 10 | |
| somnathbhunia1 | ASCII | 5 | |
| ShiperNova | An Exceptional Twisted Mind | 125 | |
| somnathbhunia1 | Great Snakes | 3 | |
| shutursk | ASCII | 5 | |
| FieryBanana101 | Seventy-Two | 50 | |
| MisOo | Bytes and Big Integers | 10 | |
| somnathbhunia1 | Finding Flags | 2 | |
| Barbaduk | Hex | 5 | |
| MisOo | Base64 | 10 | |
| MisOo | Hex | 5 | |
| MisOo | ASCII | 5 | |
| MisOo | Great Snakes | 3 | |
| MisOo | Finding Flags | 2 | |
| Barbaduk | ASCII | 5 | |
| Sualdensala_12 | SSH Keys | 35 | |
| ShiperNova | Scalar Multiplication | 35 | |
| Prabhath127 | Structure of AES | 15 | |
| Sualdensala_12 | CERTainly not | 30 | |
| lll111 | Successive Powers | 60 | |
| Linyx | Modular Binomials | 80 | |
| Sualdensala_12 | Privacy-Enhanced Mail? | 25 | |
| shutursk | Great Snakes | 3 | |
| Barbaduk | Great Snakes | 3 | |
| lydxn | Bad Temper 2 | 150 | |
| Barbaduk | Finding Flags | 2 | |
| Sualdensala_12 | Quadratic Residues | 25 | |
| hieesu19 | You either know, XOR you don't | 30 | |
| Sualdensala_12 | Modular Inverting | 25 | |
| Linyx | Adrien's Signs | 80 | |
| Sualdensala_12 | Modular Arithmetic 2 | 20 | |
| grung | ASCII | 5 | |
| zhfps | Common Ground | 75 | |
| Sualdensala_12 | Modular Arithmetic 1 | 20 | |
| hieesu19 | Favourite byte | 20 | |
| hieesu19 | XOR Properties | 15 | |
| TheWinters | Base64 | 10 | |
| grung | Great Snakes | 3 |
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