| Date | User | Challenge | Score |
| Aymenhhhh | Finding Flags | 2 | |
| partho | Substitution Cipher III (DownUnderCTF) | 0 | |
| vet | ASCII | 5 | |
| as1760 | XOR Properties | 15 | |
| CYBERFLEX | Favourite byte | 20 | |
| Dinnerbone7949 | Network Attacks | 5 | |
| ftctr | Bytes and Big Integers | 10 | |
| ftctr | Base64 | 10 | |
| amani_koros | Bean Counter | 60 | |
| sveta_shumovai | Megalomaniac 1 | 100 | |
| CYBERFLEX | XOR Properties | 15 | |
| SeraphUmbra | Favourite byte | 20 | |
| g1336 | Factoring | 15 | |
| amani_koros | Symmetry | 50 | |
| CYBERFLEX | XOR Starter | 10 | |
| v_nowotka | Bytes and Big Integers | 10 | |
| ftctr | Hex | 5 | |
| Yoshison | Hex | 5 | |
| CYBERFLEX | Bytes and Big Integers | 10 | |
| Yoshison | ASCII | 5 | |
| Yoshison | Great Snakes | 3 | |
| ftctr | ASCII | 5 | |
| Yoshison | Finding Flags | 2 | |
| Matteo0220 | Structure of AES | 15 | |
| gakenyimm | Base64 | 10 | |
| amani_koros | Flipping Cookie | 60 | |
| ftctr | Great Snakes | 3 | |
| as1760 | XOR Starter | 10 | |
| tieuchocute | Export-grade | 100 | |
| ftctr | Finding Flags | 2 | |
| vet | Great Snakes | 3 | |
| wasif1 | Hex | 5 | |
| tieuchocute | Parameter Injection | 60 | |
| vet | Finding Flags | 2 | |
| CYBERFLEX | Base64 | 10 | |
| amani_koros | ECB CBC WTF | 55 | |
| CYBERFLEX | Hex | 5 | |
| tieuchocute | Deriving Symmetric Keys | 40 | |
| Halexeli | Greatest Common Divisor | 15 | |
| CYBERFLEX | ASCII | 5 | |
| CYBERFLEX | Great Snakes | 3 | |
| amani_koros | ECB Oracle | 60 | |
| 25521051 | Legendre Symbol | 35 | |
| as1760 | Bytes and Big Integers | 10 | |
| wasif1 | ASCII | 5 | |
| tieuchocute | Computing Shared Secrets | 30 | |
| CYBERFLEX | Finding Flags | 2 | |
| amani_koros | Passwords as Keys | 50 | |
| Present | Base64 | 10 | |
| tieuchocute | Computing Public Values | 25 |
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