| Date | User | Challenge | Score |
| Hanan | You either know, XOR you don't | 30 | |
| gulliver | Marin's Secrets | 50 | |
| Doron | Favourite byte | 20 | |
| young1023 | Base64 | 10 | |
| Hanan | Favourite byte | 20 | |
| Hanan | XOR Properties | 15 | |
| Hanan | XOR Starter | 10 | |
| young1023 | Hex | 5 | |
| young1023 | ASCII | 5 | |
| Hanan | Bytes and Big Integers | 10 | |
| young1023 | Great Snakes | 3 | |
| young1023 | Finding Flags | 2 | |
| Doron | XOR Properties | 15 | |
| Doron | XOR Starter | 10 | |
| 01xVOID | Base64 | 10 | |
| Doron | Bytes and Big Integers | 10 | |
| f2ri2 | Network Attacks | 5 | |
| MohamedMujahed | Network Attacks | 5 | |
| alfattd | Network Attacks | 5 | |
| Megablaze | Bytes and Big Integers | 10 | |
| MohamedMujahed | You either know, XOR you don't | 30 | |
| MohamedMujahed | Favourite byte | 20 | |
| MohamedMujahed | XOR Properties | 15 | |
| MohamedMujahed | XOR Starter | 10 | |
| f2ri2 | Modular Inverting | 25 | |
| kurumi_11 | Greatest Common Divisor | 15 | |
| 01xVOID | Hex | 5 | |
| f2ri2 | Modular Arithmetic 2 | 20 | |
| GINO_IL_P4TATINO | Smooth Criminal | 60 | |
| ds0xxd3r | ECB Oracle | 60 | |
| Megablaze | Base64 | 10 | |
| Megablaze | Hex | 5 | |
| MahmoodTavafoghi | Extended GCD | 20 | |
| Megablaze | Great Snakes | 3 | |
| Hanan | Base64 | 10 | |
| chai770 | Where's the Supersingular Curve | 25 | |
| f2ri2 | Modular Arithmetic 1 | 20 | |
| Hanan | Hex | 5 | |
| jskeob | Flipping Cookie | 60 | |
| feynhat | Point Negation | 10 | |
| Hanan | ASCII | 5 | |
| nprat | Legendre Symbol | 35 | |
| RawanCys | Great Snakes | 3 | |
| ox1bx | Nativity | 60 | |
| Hanan | Great Snakes | 3 | |
| Loivan | Quadratic Residues | 25 | |
| f2ri2 | Extended GCD | 20 | |
| Loivan | Modular Inverting | 25 | |
| Loivan | Modular Arithmetic 2 | 20 | |
| Loivan | Modular Arithmetic 1 | 20 |
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