| Date | User | Challenge | Score |
| no_ai_no_problem | Modular Inverting | 25 | |
| aws | Square Eyes | 35 | |
| AtaRozyev | Hex | 5 | |
| no_ai_no_problem | Modular Arithmetic 2 | 20 | |
| AtaRozyev | ASCII | 5 | |
| zero__ | ASCII | 5 | |
| djdd | Round Keys | 20 | |
| McGrawDMH | You either know, XOR you don't | 30 | |
| tranDuyAnh1010 | Modular Inverting | 25 | |
| no_ai_no_problem | Modular Arithmetic 1 | 20 | |
| ermis_grivas | Base64 | 10 | |
| no_ai_no_problem | Extended GCD | 20 | |
| AtaRozyev | Great Snakes | 3 | |
| tranDuyAnh1010 | Modular Arithmetic 2 | 20 | |
| waterMelonakdsfk | Bytes and Big Integers | 10 | |
| no_ai_no_problem | Greatest Common Divisor | 15 | |
| no_ai_no_problem | Quadratic Residues | 25 | |
| pw4ch7re3 | Gaussian Reduction | 50 | |
| tranDuyAnh1010 | Modular Arithmetic 1 | 20 | |
| AtaRozyev | Finding Flags | 2 | |
| tranDuyAnh1010 | Extended GCD | 20 | |
| Zelrows | Privacy-Enhanced Mail? | 25 | |
| tempmail12345678 | ECB CBC WTF | 55 | |
| ermis_grivas | Hex | 5 | |
| Lirish | JWT Sessions | 10 | |
| crypto_07 | Resisting Bruteforce | 10 | |
| Lirish | Token Appreciation | 5 | |
| anbarbon | Confusion through Substitution | 25 | |
| lavi24 | Bringing It All Together | 50 | |
| lavi24 | Diffusion through Permutation | 30 | |
| NsrH | Lemur XOR | 40 | |
| lavi24 | Confusion through Substitution | 25 | |
| 4AAA4 | Scalar Multiplication | 35 | |
| ermis_grivas | ASCII | 5 | |
| lavi24 | Round Keys | 20 | |
| pw4ch7re3 | Gram Schmidt | 30 | |
| ermis_grivas | Great Snakes | 3 | |
| tranDuyAnh1010 | Greatest Common Divisor | 15 | |
| ermis_grivas | Finding Flags | 2 | |
| 24BECSE19_DT | Jack's Birthday Confusion | 30 | |
| lavi24 | Structure of AES | 15 | |
| waterMelonakdsfk | Base64 | 10 | |
| 24BECSE19_DT | Jack's Birthday Hash | 20 | |
| Silverwolf1618 | A Twisted Mind | 80 | |
| waterMelonakdsfk | Hex | 5 | |
| waterMelonakdsfk | ASCII | 5 | |
| K1Z0L | A True Genus | 175 | |
| erk | Favourite byte | 20 | |
| waterMelonakdsfk | Finding Flags | 2 | |
| erk | XOR Properties | 15 |
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