| Date | User | Challenge | Score |
| JulenBerbetoros | Favourite byte | 20 | |
| AsterExcrisys | XOR Properties | 15 | |
| gielsdot | Public Keys | 15 | |
| GabrieleOx | Resisting Bruteforce | 10 | |
| gielsdot | Modular Exponentiation | 10 | |
| gtqx0x | Extended GCD | 20 | |
| hp | Keyed Permutations | 5 | |
| 01h65ck3r | Finding Flags | 2 | |
| toto99ii | Transparency | 50 | |
| JulenBerbetoros | XOR Properties | 15 | |
| JulenBerbetoros | XOR Starter | 10 | |
| dabrowskaa | Quadratic Residues | 25 | |
| Theoxaris1812 | Gotta Go Fast | 40 | |
| JulenBerbetoros | Bytes and Big Integers | 10 | |
| GabrieleOx | Keyed Permutations | 5 | |
| patryk | Legendre Symbol | 35 | |
| 39ctf | Size and Basis | 15 | |
| cornel | Finding Flags | 2 | |
| toto99ii | SSH Keys | 35 | |
| gaupasol | You either know, XOR you don't | 30 | |
| GescopHD | Modular Exponentiation | 10 | |
| JulenBerbetoros | Base64 | 10 | |
| gaupasol | Favourite byte | 20 | |
| trungkien | You either know, XOR you don't | 30 | |
| DrShadyx | Base64 | 10 | |
| gaupasol | XOR Properties | 15 | |
| Aethered | You either know, XOR you don't | 30 | |
| Theoxaris1812 | Token Appreciation | 5 | |
| 39ctf | Vectors | 10 | |
| MathisCryptoHack | Private Keys | 20 | |
| gaupasol | XOR Starter | 10 | |
| AsterExcrisys | XOR Starter | 10 | |
| gaupasol | Bytes and Big Integers | 10 | |
| AsterExcrisys | Bytes and Big Integers | 10 | |
| 0xGh4zy | Base64 | 10 | |
| Daksh_Mamodiya | Modes of Operation Starter | 15 | |
| Pancakes | Confusion through Substitution | 25 | |
| gaupasol | Base64 | 10 | |
| gaupasol | Hex | 5 | |
| DavidTruong | Confusion through Substitution | 25 | |
| Aethered | Favourite byte | 20 | |
| 0xGh4zy | Hex | 5 | |
| gaupasol | ASCII | 5 | |
| MathisCryptoHack | Euler's Totient | 20 | |
| shreken_py | Hex | 5 | |
| juneliza | Finding Flags | 2 | |
| AsterExcrisys | Base64 | 10 | |
| gaupasol | Great Snakes | 3 | |
| ClockUwU | JWT Sessions | 10 | |
| AsterExcrisys | Hex | 5 |
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