| Date | User | Challenge | Score |
| DuckyDuck | Introduction to Isogenies | 10 | |
| Johnny454 | RSA Decryption | 20 | |
| Johnny454 | Private Keys | 20 | |
| alt255 | Euler's Totient | 20 | |
| naturich | Base64 | 10 | |
| naturich | Hex | 5 | |
| Johnny454 | Euler's Totient | 20 | |
| naturich | ASCII | 5 | |
| alt255 | Public Keys | 15 | |
| Johnny454 | Public Keys | 15 | |
| naturich | Great Snakes | 3 | |
| leopoldofr | Sharks on the Wire | 10 | |
| leopoldofr | Secure Protocols | 5 | |
| Johnny454 | Modular Exponentiation | 10 | |
| leopoldofr | Token Appreciation | 5 | |
| T075810 | Encoding Challenge | 40 | |
| leopoldofr | ECB Oracle | 60 | |
| N0tPresl3y | LFSR Destroyer | 250 | |
| fyyao | Base64 | 10 | |
| naturich | Finding Flags | 2 | |
| y0dam4n | Parameter Injection | 60 | |
| Aletavrus | ASCII | 5 | |
| fyyao | Hex | 5 | |
| Jeffery99 | Finding Flags | 2 | |
| tullycrypt | Secure Protocols | 5 | |
| fyyao | ASCII | 5 | |
| Dhakad | Base64 | 10 | |
| tullycrypt | Network Attacks | 5 | |
| tullycrypt | Favourite byte | 20 | |
| tullycrypt | XOR Properties | 15 | |
| fyyao | Great Snakes | 3 | |
| Dhakad | Hex | 5 | |
| fyyao | Finding Flags | 2 | |
| tullycrypt | XOR Starter | 10 | |
| VuiVe | Dancing Queen | 120 | |
| tullycrypt | Bytes and Big Integers | 10 | |
| Dhakad | ASCII | 5 | |
| tullycrypt | Base64 | 10 | |
| Khushi10 | Bytes and Big Integers | 10 | |
| tullycrypt | Hex | 5 | |
| tullycrypt | ASCII | 5 | |
| Khushi10 | Base64 | 10 | |
| namdang | Stream of Consciousness | 80 | |
| Khushi10 | Hex | 5 | |
| Pwnion | XOR Starter | 10 | |
| EmmanuelGoldberg | Bean Counter | 60 | |
| tullycrypt | Great Snakes | 3 | |
| yaminato | Base64 | 10 | |
| tullycrypt | Finding Flags | 2 | |
| SshivamK | Bytes and Big Integers | 10 |
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