| Date | User | Challenge | Score |
| 3bdelrazek | Finding Flags | 2 | |
| Dr1o02 | From Private to Public Key LWE | 25 | |
| habi | Quadratic Residues | 25 | |
| Komasan_ | Parameter Injection | 60 | |
| mduffy2 | Parameter Injection | 60 | |
| oslash | Working with Fields | 10 | |
| oslash | Modulus Inutilis | 50 | |
| Dr1o02 | Square Eyes | 35 | |
| Dr1o02 | Inferius Prime | 30 | |
| alice_terui | Finding Flags | 2 | |
| ChrisDelendas | Encoding Challenge | 40 | |
| Sanchir0920 | Jack's Birthday Confusion | 30 | |
| Dayss | Greatest Common Divisor | 15 | |
| SteliosSd | Paper Plane | 120 | |
| ChrisDelendas | Bytes and Big Integers | 10 | |
| ChrisDelendas | Base64 | 10 | |
| Sanchir0920 | Jack's Birthday Hash | 20 | |
| elyessmida | Decrypting TLS 1.2 | 30 | |
| shurayz | Signing Server | 60 | |
| sewulas | RSA or HMAC? Part 2 | 100 | |
| vaioskl | Extended GCD | 20 | |
| sewulas | TLS Handshake | 15 | |
| SteliosSd | Triple DES | 60 | |
| QwQll | Network Attacks | 5 | |
| SteliosSd | Lazy CBC | 60 | |
| SteliosSd | Flipping Cookie | 60 | |
| SpicyPharaoh | Greatest Common Divisor | 15 | |
| SpicyPharaoh | You either know, XOR you don't | 30 | |
| SpicyPharaoh | Favourite byte | 20 | |
| SpicyPharaoh | XOR Properties | 15 | |
| SpicyPharaoh | XOR Starter | 10 | |
| SpicyPharaoh | Encoding Challenge | 40 | |
| sewulas | Sharks on the Wire | 10 | |
| SteliosSd | ECB Oracle | 60 | |
| SteliosSd | ECB CBC WTF | 55 | |
| vaioskl | Greatest Common Divisor | 15 | |
| SteliosSd | Passwords as Keys | 50 | |
| Komasan_ | Deriving Symmetric Keys | 40 | |
| Komasan_ | Computing Shared Secrets | 30 | |
| dbmamah | XOR Starter | 10 | |
| 8l4nk | RSA Permutation (WACON) | 0 | |
| The_Pug | Modular Arithmetic 1 | 20 | |
| The_Pug | Extended GCD | 20 | |
| Komasan_ | Computing Public Values | 25 | |
| vaioskl | Lemur XOR | 40 | |
| haruki | Twin Keys | 100 | |
| Hrisha | Factoring | 15 | |
| mmd1hp | RSA or HMAC? Part 2 | 100 | |
| Draco | Finding Flags | 2 | |
| 0xShadowBlur | Finding Flags | 2 |
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