| Date | User | Challenge | Score |
| louieNI | Hex | 5 | |
| domepetz | ECB Oracle | 60 | |
| Bewouss | Bytes and Big Integers | 10 | |
| kurao | Network Attacks | 5 | |
| zoyi | Monoprime | 30 | |
| elmasrn3 | Great Snakes | 3 | |
| kurao | Everything is Big | 70 | |
| administrator___ | Symmetry | 50 | |
| AZZ912 | Deriving Symmetric Keys | 40 | |
| AZZ912 | Computing Shared Secrets | 30 | |
| AZZ912 | Computing Public Values | 25 | |
| elmasrn3 | Finding Flags | 2 | |
| AZZ912 | Generators of Groups | 20 | |
| AZZ912 | Working with Fields | 10 | |
| AZZ912 | Modulus Inutilis | 50 | |
| AZZ912 | Salty | 20 | |
| RobloxianGuest | Bytes and Big Integers | 10 | |
| kurao | Square Eyes | 35 | |
| ShiperNova | Passwords as Keys | 50 | |
| RobloxianGuest | Base64 | 10 | |
| AZZ912 | Manyprime | 40 | |
| kurao | Inferius Prime | 30 | |
| thiennn | Great Snakes | 3 | |
| thiennn | Finding Flags | 2 | |
| RobloxianGuest | Hex | 5 | |
| ShiperNova | Modes of Operation Starter | 15 | |
| Neilster | Deriving Symmetric Keys | 40 | |
| RobloxianGuest | ASCII | 5 | |
| zoyi | Factoring | 15 | |
| Michele012 | Hex | 5 | |
| kurao | Bean Counter | 60 | |
| fTiTi | Round Keys | 20 | |
| Michele012 | ASCII | 5 | |
| RobloxianGuest | Network Attacks | 5 | |
| Neilster | Computing Shared Secrets | 30 | |
| Michele012 | Great Snakes | 3 | |
| louieNI | ASCII | 5 | |
| Neilster | Computing Public Values | 25 | |
| Neilster | Generators of Groups | 20 | |
| Sy4H1n | Network Attacks | 5 | |
| RobloxianGuest | Great Snakes | 3 | |
| zhfps | CTRIME | 70 | |
| Ghadeer154 | MD0 | 80 | |
| Deephs16 | Resisting Bruteforce | 10 | |
| Ghadeer154 | Merkle Trees | 25 | |
| RobloxianGuest | Finding Flags | 2 | |
| cxzc233 | Base64 | 10 | |
| GaGaSolve | XOR Properties | 15 | |
| louieNI | Great Snakes | 3 | |
| Ghadeer154 | WOTS Up 2 | 90 |
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