| Date | User | Challenge | Score |
| Bish0x01 | Great Snakes | 3 | |
| umaibouzu | Great Snakes | 3 | |
| umaibouzu | Finding Flags | 2 | |
| payloadwhisper10 | Great Snakes | 3 | |
| ForJ | Round Keys | 20 | |
| payloadwhisper10 | Finding Flags | 2 | |
| nahitango | Efficient Exchange | 50 | |
| ForJ | Structure of AES | 15 | |
| Bish0x01 | Finding Flags | 2 | |
| Anti_ | ECB Oracle | 60 | |
| ForJ | Resisting Bruteforce | 10 | |
| fxxmm | Quadratic Residues | 25 | |
| ubergum | Bytes and Big Integers | 10 | |
| ForJ | Keyed Permutations | 5 | |
| 2976942164 | Let's Decrypt | 80 | |
| 2976942164 | Signing Server | 60 | |
| 2976942164 | Factoring | 15 | |
| 2976942164 | Euler's Totient | 20 | |
| ForJ | Modular Binomials | 80 | |
| Lokith | Base64 | 10 | |
| Lokith | Hex | 5 | |
| Lokith | ASCII | 5 | |
| Lokith | Great Snakes | 3 | |
| ForJ | Adrien's Signs | 80 | |
| Lokith | Finding Flags | 2 | |
| phat1911 | No Random, No Bias | 120 | |
| emanu93 | Modes of Operation Starter | 15 | |
| yuliyost | The Matrix | 75 | |
| emanu93 | Bringing It All Together | 50 | |
| 2976942164 | Modular Exponentiation | 10 | |
| dirtyDeedz | Broken RSA | 100 | |
| yuliyost | Script Kiddie | 70 | |
| 2976942164 | Successive Powers | 60 | |
| 2976942164 | Chinese Remainder Theorem | 40 | |
| ForJ | Chinese Remainder Theorem | 40 | |
| 2976942164 | Quadratic Residues | 25 | |
| 2976942164 | Resisting Bruteforce | 10 | |
| nahitango | Curves and Logs | 40 | |
| Nietzsche | Base64 | 10 | |
| laodidi | Jack's Birthday Confusion | 30 | |
| laodidi | Jack's Birthday Hash | 20 | |
| laodidi | Point Negation | 10 | |
| laodidi | Generators of Groups | 20 | |
| laodidi | Working with Fields | 10 | |
| laodidi | Public Keys | 15 | |
| laodidi | Modular Exponentiation | 10 | |
| laodidi | Successive Powers | 60 | |
| laodidi | Dancing Queen | 120 | |
| laodidi | Stream of Consciousness | 80 | |
| laodidi | Logon Zero | 80 |
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