| Date | User | Challenge | Score |
| lNainMaboul | Great Snakes | 3 | |
| yoavb | Modular Binomials | 80 | |
| JuanCamilo12 | Hex | 5 | |
| lNainMaboul | Finding Flags | 2 | |
| JuanCamilo12 | ASCII | 5 | |
| JuanCamilo12 | Great Snakes | 3 | |
| NicoGrey | RSA Signatures | 25 | |
| ncmr | Finding Flags | 2 | |
| midevaa | Bean Counter | 60 | |
| midevaa | Symmetry | 50 | |
| midevaa | Flipping Cookie | 60 | |
| midevaa | ECB CBC WTF | 55 | |
| roogs22 | Twin Keys | 100 | |
| bad_code | Lemur XOR | 40 | |
| midevaa | ECB Oracle | 60 | |
| midevaa | Passwords as Keys | 50 | |
| midevaa | Modes of Operation Starter | 15 | |
| midevaa | Bringing It All Together | 50 | |
| midevaa | Diffusion through Permutation | 30 | |
| midevaa | Confusion through Substitution | 25 | |
| midevaa | Round Keys | 20 | |
| midevaa | Structure of AES | 15 | |
| midevaa | Resisting Bruteforce | 10 | |
| midevaa | Keyed Permutations | 5 | |
| karthiksiky | Passwords as Keys | 50 | |
| Anjie98 | XOR Starter | 10 | |
| ibrahim432234f | Montgomery's Ladder | 40 | |
| ibrahim432234f | Moving Problems | 150 | |
| ibrahim432234f | Smooth Criminal | 60 | |
| ibrahim432234f | Efficient Exchange | 50 | |
| ibrahim432234f | Curves and Logs | 40 | |
| ibrahim432234f | Scalar Multiplication | 35 | |
| ibrahim432234f | Point Addition | 30 | |
| ibrahim432234f | Point Negation | 10 | |
| ibrahim432234f | Background Reading | 5 | |
| JuanCamilo12 | Finding Flags | 2 | |
| d3nnie | Bytes and Big Integers | 10 | |
| igupta1 | ASCII | 5 | |
| DownOnEarth | Salty | 20 | |
| DownOnEarth | Manyprime | 40 | |
| Kal_Ki_08 | Finding Flags | 2 | |
| ibrahim432234f | Deriving Symmetric Keys | 40 | |
| ibrahim432234f | Computing Shared Secrets | 30 | |
| ibrahim432234f | Computing Public Values | 25 | |
| ibrahim432234f | Generators of Groups | 20 | |
| ibrahim432234f | Working with Fields | 10 | |
| ibrahim432234f | Modulus Inutilis | 50 | |
| ibrahim432234f | Salty | 20 | |
| ibrahim432234f | Manyprime | 40 | |
| ibrahim432234f | Monoprime | 30 |
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