| Date | User | Challenge | Score |
| Ahmed_Jaddou | Privacy-Enhanced Mail? | 25 | |
| Ahmed_Jaddou | Encoding Challenge | 40 | |
| shakursifat | Hex | 5 | |
| Ahmed_Jaddou | Modular Inverting | 25 | |
| yashmehta | Base64 | 10 | |
| shakursifat | ASCII | 5 | |
| Ahmed_Jaddou | Modular Arithmetic 2 | 20 | |
| tkhnnh | ASCII | 5 | |
| Ahmed_Jaddou | Modular Arithmetic 1 | 20 | |
| voqkrye | ASCII | 5 | |
| Daksh_Mamodiya | Lazy CBC | 60 | |
| somebodyworksy | XOR Properties | 15 | |
| shakursifat | Great Snakes | 3 | |
| yashmehta | Hex | 5 | |
| tkhnnh | Great Snakes | 3 | |
| tkhnnh | Finding Flags | 2 | |
| yashmehta | ASCII | 5 | |
| jakoh | XOR Properties | 15 | |
| shakursifat | Finding Flags | 2 | |
| yashmehta | Great Snakes | 3 | |
| yashmehta | Finding Flags | 2 | |
| __chinmayee__ | Modular Square Root | 35 | |
| sfo | Extended GCD | 20 | |
| namdang | Transparency | 50 | |
| Hansi | XOR Properties | 15 | |
| voqkrye | Great Snakes | 3 | |
| voqkrye | Finding Flags | 2 | |
| namdang | SSH Keys | 35 | |
| Baeco | Marin's Secrets | 50 | |
| hwan | Lazy CBC | 60 | |
| namdang | CERTainly not | 30 | |
| Hansi | XOR Starter | 10 | |
| ziebrahh | Modular Inverting | 25 | |
| namdang | Privacy-Enhanced Mail? | 25 | |
| somebodyworksy | XOR Starter | 10 | |
| namdang | Lemur XOR | 40 | |
| somebodyworksy | Bytes and Big Integers | 10 | |
| naivecat | Modular Arithmetic 1 | 20 | |
| somebodyworksy | Base64 | 10 | |
| namdang | Encoding Challenge | 40 | |
| somebodyworksy | Hex | 5 | |
| naivecat | Extended GCD | 20 | |
| somebodyworksy | ASCII | 5 | |
| MidoS3d | Marin's Secrets | 50 | |
| somebodyworksy | Great Snakes | 3 | |
| hwan | Flipping Cookie | 60 | |
| somebodyworksy | Finding Flags | 2 | |
| ziebrahh | Modular Arithmetic 2 | 20 | |
| 0xl0rf | Base64 | 10 | |
| haha789 | XOR Properties | 15 |
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