| Date | User | Challenge | Score |
| OKlllng | Symmetry | 50 | |
| Liam45 | Everything is Big | 70 | |
| jaeu1341 | Privacy-Enhanced Mail? | 25 | |
| radare | No Leaks | 100 | |
| learnerdeem028 | Manyprime | 40 | |
| Liam45 | Square Eyes | 35 | |
| quangntenemy | What's My Kernel | 70 | |
| _yahia | Greatest Common Divisor | 15 | |
| Liam45 | Monoprime | 30 | |
| jaeu1341 | Modular Inverting | 25 | |
| dkoazwlearning | Oh SNAP | 120 | |
| LinhTH | RSA Decryption | 20 | |
| jsSul | Hex | 5 | |
| LinhTH | Private Keys | 20 | |
| Akpa2306 | Round Keys | 20 | |
| LinhTH | Euler's Totient | 20 | |
| LinhTH | Public Keys | 15 | |
| OKlllng | Flipping Cookie | 60 | |
| LinhTH | Modular Exponentiation | 10 | |
| jaeu1341 | Modular Arithmetic 2 | 20 | |
| radare | Gotta Go Fast | 40 | |
| LinhTH | Modular Binomials | 80 | |
| toad | JWT Sessions | 10 | |
| Paballo | Bytes and Big Integers | 10 | |
| sajidaaysha | XOR Starter | 10 | |
| jsSul | ASCII | 5 | |
| sajidaaysha | Bytes and Big Integers | 10 | |
| jsSul | Great Snakes | 3 | |
| sajidaaysha | Base64 | 10 | |
| Hari542 | You either know, XOR you don't | 30 | |
| sajidaaysha | Hex | 5 | |
| vic1208 | Modular Arithmetic 1 | 20 | |
| leopoldofr | Modular Square Root | 35 | |
| Paballo | Base64 | 10 | |
| sajidaaysha | ASCII | 5 | |
| sajidaaysha | Great Snakes | 3 | |
| jaeu1341 | Modular Arithmetic 1 | 20 | |
| vic1208 | Extended GCD | 20 | |
| leopoldofr | Legendre Symbol | 35 | |
| adhdpatrick | You either know, XOR you don't | 30 | |
| sajidaaysha | Finding Flags | 2 | |
| Paballo | Hex | 5 | |
| jaeu1341 | XOR Properties | 15 | |
| afmoroz | ECB CBC WTF | 55 | |
| toad | Token Appreciation | 5 | |
| jaeu1341 | Encoding Challenge | 40 | |
| leopoldofr | Quadratic Residues | 25 | |
| LinhTH | Adrien's Signs | 80 | |
| Iffat_Snigdha | You either know, XOR you don't | 30 | |
| Iffat_Snigdha | Favourite byte | 20 |
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