| Date | User | Challenge | Score |
| Elineeman | Computing Shared Secrets | 30 | |
| 191917 | Bringing It All Together | 50 | |
| genrngx | Additive | 70 | |
| genrngx | Static Client 2 | 120 | |
| Elineeman | Computing Public Values | 25 | |
| genrngx | Static Client | 100 | |
| zeroone | XOR Starter | 10 | |
| genrngx | Export-grade | 100 | |
| genrngx | Parameter Injection | 60 | |
| falling_you | Hex | 5 | |
| miaoler | Proofs of Knowledge | 20 | |
| Elineeman | Generators of Groups | 20 | |
| genrngx | Keyed Permutations | 5 | |
| Tumaini | Symmetry | 50 | |
| zeroone | Bytes and Big Integers | 10 | |
| Topiary | Network Attacks | 5 | |
| falling_you | ASCII | 5 | |
| aanaka | Hex | 5 | |
| falling_you | Great Snakes | 3 | |
| genrngx | Vote for Pedro | 150 | |
| Tumaini | Flipping Cookie | 60 | |
| aanaka | ASCII | 5 | |
| genrngx | SSH Keys | 35 | |
| Tumaini | ECB CBC WTF | 55 | |
| 6lackPapakh | Extended GCD | 20 | |
| Tumaini | ECB Oracle | 60 | |
| CipherPolZero | XOR Properties | 15 | |
| Tumaini | Passwords as Keys | 50 | |
| Tumaini | Modes of Operation Starter | 15 | |
| Tumaini | Bringing It All Together | 50 | |
| Tumaini | Diffusion through Permutation | 30 | |
| 6lackPapakh | Greatest Common Divisor | 15 | |
| Tumaini | Confusion through Substitution | 25 | |
| Tumaini | Round Keys | 20 | |
| Tumaini | Structure of AES | 15 | |
| Tumaini | Resisting Bruteforce | 10 | |
| coolhippo159 | XOR Properties | 15 | |
| Tumaini | Keyed Permutations | 5 | |
| falling_you | Finding Flags | 2 | |
| aanaka | Great Snakes | 3 | |
| 6lackPapakh | You either know, XOR you don't | 30 | |
| CipherPolZero | XOR Starter | 10 | |
| Mwijukye_Chief_C | Bean Counter | 60 | |
| Mwijukye_Chief_C | Symmetry | 50 | |
| Mwijukye_Chief_C | Flipping Cookie | 60 | |
| Mwijukye_Chief_C | ECB CBC WTF | 55 | |
| Mwijukye_Chief_C | ECB Oracle | 60 | |
| Mwijukye_Chief_C | Passwords as Keys | 50 | |
| Mwijukye_Chief_C | Modes of Operation Starter | 15 | |
| Mwijukye_Chief_C | Bringing It All Together | 50 |
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