| Date | User | Challenge | Score |
| minhdoan1510 | Token Appreciation | 5 | |
| RahmadRivaldiiii | Modulus Inutilis | 50 | |
| IdhaSiti | Monoprime | 30 | |
| RahmadRivaldiiii | Salty | 20 | |
| minhdoan1510 | Great Snakes | 3 | |
| IdhaSiti | Factoring | 15 | |
| nervantus | Extended GCD | 20 | |
| mricking2048 | Round Keys | 20 | |
| RahmadRivaldiiii | Manyprime | 40 | |
| RahmadRivaldiiii | Monoprime | 30 | |
| minhdoan1510 | Finding Flags | 2 | |
| RahmadRivaldiiii | Factoring | 15 | |
| IdhaSiti | RSA Signatures | 25 | |
| kxld | Parameter Injection | 60 | |
| RahmadRivaldiiii | RSA Signatures | 25 | |
| cedric013 | RSA Signatures | 25 | |
| MRifkyAlfariz | Public Keys | 15 | |
| cedric013 | RSA Decryption | 20 | |
| IdhaSiti | RSA Decryption | 20 | |
| cedric013 | Private Keys | 20 | |
| cedric013 | Euler's Totient | 20 | |
| cedric013 | Public Keys | 15 | |
| IdhaSiti | Private Keys | 20 | |
| cedric013 | Modular Exponentiation | 10 | |
| MRifkyAlfariz | Modular Exponentiation | 10 | |
| Samamahassan | Ellipse Curve Cryptography | 125 | |
| Nimov | Finding Flags | 2 | |
| RahmadRivaldiiii | RSA Decryption | 20 | |
| MountainChicken9 | Great Snakes | 3 | |
| RahmadRivaldiiii | Private Keys | 20 | |
| cedric013 | Bean Counter | 60 | |
| IdhaSiti | Euler's Totient | 20 | |
| IdhaSiti | Public Keys | 15 | |
| RahmadRivaldiiii | Euler's Totient | 20 | |
| cedric013 | Symmetry | 50 | |
| RahmadRivaldiiii | Public Keys | 15 | |
| cedric013 | Flipping Cookie | 60 | |
| 223874_Mark | Modes of Operation Starter | 15 | |
| cedric013 | ECB CBC WTF | 55 | |
| IdhaSiti | Modular Exponentiation | 10 | |
| cedric013 | ECB Oracle | 60 | |
| RahmadRivaldiiii | Modular Exponentiation | 10 | |
| Samamahassan | No Way Back Home | 100 | |
| mricking2048 | Structure of AES | 15 | |
| RahmadRivaldiiii | Bean Counter | 60 | |
| IdhaSiti | Bean Counter | 60 | |
| RahmadRivaldiiii | Symmetry | 50 | |
| IdhaSiti | Symmetry | 50 | |
| cedric013 | Passwords as Keys | 50 | |
| nervantus | Greatest Common Divisor | 15 |
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