| Date | User | Challenge | Score |
| cjwulfiez | Base64 | 10 | |
| cjwulfiez | Hex | 5 | |
| DangerBars | Legendre Symbol | 35 | |
| cjwulfiez | ASCII | 5 | |
| Aimangk | XOR Properties | 15 | |
| DownOnEarth | Euler's Totient | 20 | |
| Chite_Senchula | You either know, XOR you don't | 30 | |
| DownOnEarth | Public Keys | 15 | |
| shamMK | Great Snakes | 3 | |
| DownOnEarth | Modular Exponentiation | 10 | |
| NoBirdWasHam | Unevaluated (TETCTF) | 0 | |
| vinx | Finding Flags | 2 | |
| zeski | Rhetorical Oracle | 100 | |
| zeski | Rhetorical Oracle 2 | 150 | |
| dubeyguy | XOR Properties | 15 | |
| DownOnEarth | Bean Counter | 60 | |
| pain1404 | Structure of AES | 15 | |
| cbarrera | SSH Keys | 35 | |
| The_Pendragon | Base64 | 10 | |
| KakRen | Finding Flags | 2 | |
| somethingLearnig | Finding Flags | 2 | |
| marv1nh | Modular Square Root | 35 | |
| Otherwise_Ocelot | You either know, XOR you don't | 30 | |
| Annecrafted | Greatest Common Divisor | 15 | |
| Holzarim | Legendre Symbol | 35 | |
| polymer | XOR Starter | 10 | |
| Otherwise_Ocelot | Favourite byte | 20 | |
| cbarrera | CERTainly not | 30 | |
| thaggs1066 | No Leaks | 100 | |
| DownOnEarth | Symmetry | 50 | |
| hanako | Network Attacks | 5 | |
| gokulavasan | Modes of Operation Starter | 15 | |
| studentunique | Marin's Secrets | 50 | |
| thompsonde15 | Finding Flags | 2 | |
| giuDam | Great Snakes | 3 | |
| giuDam | Finding Flags | 2 | |
| 24BECSE19_DT | PriMeD5 | 100 | |
| jennasaan | Quadratic Residues | 25 | |
| Zephorzzz | Square Eyes | 35 | |
| jasonbourne | You either know, XOR you don't | 30 | |
| Michael_Mutuma | Moving Problems | 150 | |
| Michael_Mutuma | ProSign 3 | 100 | |
| Michael_Mutuma | Curveball | 100 | |
| Michael_Mutuma | Smooth Criminal | 60 | |
| liendaidx | Resisting Bruteforce | 10 | |
| TwoShrimp | Modular Square Root | 35 | |
| bossceo | RSA Signatures | 25 | |
| elorant95 | Bytes and Big Integers | 10 | |
| Michael_Mutuma | Montgomery's Ladder | 40 | |
| Michael_Mutuma | Efficient Exchange | 50 |
You are now level Current level