| Date | User | Challenge | Score |
| evantampa129 | Euler's Totient | 20 | |
| Suika05 | Hex | 5 | |
| Suika05 | ASCII | 5 | |
| KoreaMrKing | Manyprime | 40 | |
| Arsyf | Hex | 5 | |
| Suika05 | Great Snakes | 3 | |
| Spirit12 | Extended GCD | 20 | |
| Suika05 | Finding Flags | 2 | |
| LeonardS | Modular Binomials | 80 | |
| Arsyf | ASCII | 5 | |
| heritage | XOR Starter | 10 | |
| zyx_z | Adrien's Signs | 80 | |
| khawla1 | Hex | 5 | |
| senf | Chinese Remainder Theorem | 40 | |
| PolyFluorine | Round Keys | 20 | |
| khawla1 | ASCII | 5 | |
| Arsyf | Great Snakes | 3 | |
| Arsyf | Finding Flags | 2 | |
| KoreaMrKing | Square Eyes | 35 | |
| bepto | You either know, XOR you don't | 30 | |
| Spirit12 | Greatest Common Divisor | 15 | |
| PolyFluorine | Structure of AES | 15 | |
| chmakorkrich | Adrien's Signs | 80 | |
| evantampa129 | Public Keys | 15 | |
| sandwhales | You either know, XOR you don't | 30 | |
| JovanHoney | Bytes and Big Integers | 10 | |
| rainytuesday | Point Addition | 30 | |
| ntn3565b | Token Appreciation | 5 | |
| chmakorkrich | Chinese Remainder Theorem | 40 | |
| chmakorkrich | Modular Square Root | 35 | |
| ironlanderl | Greatest Common Divisor | 15 | |
| untether | You either know, XOR you don't | 30 | |
| Melbackk | Favourite byte | 20 | |
| evantampa129 | Modular Exponentiation | 10 | |
| JovanHoney | Base64 | 10 | |
| kurumi_11 | Background Reading | 5 | |
| bepto | Favourite byte | 20 | |
| benito255 | Jeff's LFSR | 150 | |
| JovanHoney | Hex | 5 | |
| Arsyf | Manyprime | 40 | |
| zyx_z | Chinese Remainder Theorem | 40 | |
| rainytuesday | Point Negation | 10 | |
| Melbackk | XOR Properties | 15 | |
| Spirit12 | You either know, XOR you don't | 30 | |
| benito255 | Trust Games | 150 | |
| cyk0sure | Find the Lattice | 100 | |
| NicoNieners | Legendre Symbol | 35 | |
| bepto | XOR Properties | 15 | |
| JovanHoney | ASCII | 5 | |
| evantampa129 | Bean Counter | 60 |
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