| Date | User | Challenge | Score |
| Q29tcmFkZV9kZQo | XOR Starter | 10 | |
| Kae | Stream of Consciousness | 80 | |
| 002 | Great Snakes | 3 | |
| ho_ongvyy | Bringing It All Together | 50 | |
| 002 | Finding Flags | 2 | |
| saeedwedyan | Hex | 5 | |
| Oskar404 | RSA Decryption | 20 | |
| saeedwedyan | ASCII | 5 | |
| Q29tcmFkZV9kZQo | Bytes and Big Integers | 10 | |
| gabriellino1936 | Passwords as Keys | 50 | |
| Oskar404 | Private Keys | 20 | |
| mariotronix | Flipping Cookie | 60 | |
| saeedwedyan | Great Snakes | 3 | |
| saeedwedyan | Finding Flags | 2 | |
| nwal | Export-grade | 100 | |
| gabriellino1936 | Modes of Operation Starter | 15 | |
| Q29tcmFkZV9kZQo | Base64 | 10 | |
| AnonSus | Greatest Common Divisor | 15 | |
| Kae | Logon Zero | 80 | |
| iniM0n | Broken RSA | 100 | |
| Oskar404 | Euler's Totient | 20 | |
| magda_almpani | Crossed Wires | 100 | |
| Q29tcmFkZV9kZQo | Hex | 5 | |
| mariotronix | ECB CBC WTF | 55 | |
| iniM0n | Successive Powers | 60 | |
| gabriellino1936 | Bringing It All Together | 50 | |
| gabripo | Monoprime | 30 | |
| richardDragon21 | Modular Inverting | 25 | |
| Hattmakare | RSA Decryption | 20 | |
| Q29tcmFkZV9kZQo | ASCII | 5 | |
| gabripo | Factoring | 15 | |
| nwal | Parameter Injection | 60 | |
| gabripo | RSA Signatures | 25 | |
| jyppi | XOR Starter | 10 | |
| hallabarhoumeh | Unencryptable | 125 | |
| hallabarhoumeh | Roll your Own | 125 | |
| sponqyHyena | Token Appreciation | 5 | |
| iniM0n | Triple DES | 60 | |
| gabripo | RSA Decryption | 20 | |
| pbidle | Curves and Logs | 40 | |
| hallabarhoumeh | Ellipse Curve Cryptography | 125 | |
| Q29tcmFkZV9kZQo | Great Snakes | 3 | |
| Hattmakare | Private Keys | 20 | |
| sponqyHyena | RSA Decryption | 20 | |
| iniM0n | Lazy CBC | 60 | |
| Hattmakare | Euler's Totient | 20 | |
| hallabarhoumeh | No Way Back Home | 100 | |
| minimi | Bytes and Big Integers | 10 | |
| gabriellino1936 | Diffusion through Permutation | 30 | |
| Q29tcmFkZV9kZQo | Finding Flags | 2 |
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