| Date | User | Challenge | Score |
| UMAyuma | Quadratic Residues | 25 | |
| ahmqd | Megalomaniac 2 | 120 | |
| KA183R | Inferius Prime | 30 | |
| qwra | Legendre Symbol | 35 | |
| simrol260 | Extended GCD | 20 | |
| mochaowo | Diffusion through Permutation | 30 | |
| ducanhhecker | Base64 | 10 | |
| otaboyevabdu77 | Base64 | 10 | |
| lemonctf | Favourite byte | 20 | |
| adibaxon_2 | You either know, XOR you don't | 30 | |
| chk | Public Keys | 15 | |
| adibaxon_2 | Favourite byte | 20 | |
| otaboyevabdu77 | Hex | 5 | |
| otaboyevabdu77 | ASCII | 5 | |
| numonov700 | You either know, XOR you don't | 30 | |
| lemonctf | XOR Properties | 15 | |
| chk | Modular Exponentiation | 10 | |
| ducanhhecker | Hex | 5 | |
| cavazinf | ProSign 3 | 100 | |
| otaboyevabdu77 | Great Snakes | 3 | |
| 4AAA4 | Finding Flags | 2 | |
| salmonedibergen | You either know, XOR you don't | 30 | |
| lemonctf | XOR Starter | 10 | |
| sfsdfcvsdfc | You either know, XOR you don't | 30 | |
| adibaxon_2 | XOR Properties | 15 | |
| mubina | Quadratic Residues | 25 | |
| adibaxon_2 | XOR Starter | 10 | |
| sfsdfcvsdfc | Favourite byte | 20 | |
| numonov700 | Favourite byte | 20 | |
| mubina | Modular Inverting | 25 | |
| numonov700 | XOR Properties | 15 | |
| adibaxon_2 | Bytes and Big Integers | 10 | |
| mubina | Modular Arithmetic 2 | 20 | |
| numonov700 | XOR Starter | 10 | |
| adibaxon_2 | Base64 | 10 | |
| Shukhrat | You either know, XOR you don't | 30 | |
| sfsdfcvsdfc | XOR Properties | 15 | |
| mubina | Modular Arithmetic 1 | 20 | |
| Shukhrat | Favourite byte | 20 | |
| numonov700 | Bytes and Big Integers | 10 | |
| mochaowo | Confusion through Substitution | 25 | |
| sfsdfcvsdfc | XOR Starter | 10 | |
| mubina | Extended GCD | 20 | |
| jinseo | Modulus Inutilis | 50 | |
| sfsdfcvsdfc | Bytes and Big Integers | 10 | |
| lemonctf | Bytes and Big Integers | 10 | |
| mubina | Greatest Common Divisor | 15 | |
| numonov700 | Base64 | 10 | |
| mubina | You either know, XOR you don't | 30 | |
| adibaxon_2 | Hex | 5 |
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