| Date | User | Challenge | Score |
| GiorgiEzu | Bringing It All Together | 50 | |
| veqi | XOR Starter | 10 | |
| GiorgiEzu | Diffusion through Permutation | 30 | |
| cc965 | Signing Server | 60 | |
| khatiwadakshitiz | XOR Properties | 15 | |
| GiorgiEzu | Confusion through Substitution | 25 | |
| NortonCon | Symmetry | 50 | |
| GiorgiEzu | Round Keys | 20 | |
| Sacia | Bytes and Big Integers | 10 | |
| v_nowotka | Privacy-Enhanced Mail? | 25 | |
| NortonCon | Flipping Cookie | 60 | |
| Garab | Rhetorical Oracle 2 | 150 | |
| aryma | Confusion through Substitution | 25 | |
| NortonCon | ECB CBC WTF | 55 | |
| GiorgiEzu | Structure of AES | 15 | |
| Just_Riccio | Bad Temper | 130 | |
| Sacia | Base64 | 10 | |
| Garab | Rhetorical Oracle | 100 | |
| NortonCon | ECB Oracle | 60 | |
| Sacia | Hex | 5 | |
| Sacia | ASCII | 5 | |
| Sacia | Great Snakes | 3 | |
| Pooja_choudhary | Authenticated Handshake | 40 | |
| laythowais | Bean Counter | 60 | |
| laythowais | Symmetry | 50 | |
| laythowais | Flipping Cookie | 60 | |
| Sacia | Finding Flags | 2 | |
| laythowais | ECB CBC WTF | 55 | |
| Dikshant | Confusion through Substitution | 25 | |
| laythowais | ECB Oracle | 60 | |
| Pooja_choudhary | Decrypting TLS 1.3 | 35 | |
| laythowais | Passwords as Keys | 50 | |
| laythowais | Modes of Operation Starter | 15 | |
| laythowais | Bringing It All Together | 50 | |
| laythowais | Diffusion through Permutation | 30 | |
| laythowais | Confusion through Substitution | 25 | |
| khatiwadakshitiz | XOR Starter | 10 | |
| Pooja_choudhary | Decrypting TLS 1.2 | 30 | |
| laythowais | Round Keys | 20 | |
| aryma | Round Keys | 20 | |
| laythowais | Structure of AES | 15 | |
| laythowais | Resisting Bruteforce | 10 | |
| laythowais | Keyed Permutations | 5 | |
| aryma | Structure of AES | 15 | |
| Andxrzn | ASCII | 5 | |
| Grupo10MA | RSA or HMAC? Part 2 | 100 | |
| Andxrzn | Great Snakes | 3 | |
| Andxrzn | Finding Flags | 2 | |
| ForcedWings | You either know, XOR you don't | 30 | |
| ForcedWings | Favourite byte | 20 |
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