| Date | User | Challenge | Score |
| crasso | Finding Flags | 2 | |
| adrianps93 | Keyed Permutations | 5 | |
| Aether0810 | You either know, XOR you don't | 30 | |
| vr7xl | ASCII | 5 | |
| Abdulrahman77510 | Encoding Challenge | 40 | |
| nprat | Privacy-Enhanced Mail? | 25 | |
| Adriux_15 | You either know, XOR you don't | 30 | |
| Michaelvibex | Finding Flags | 2 | |
| DinoGun | Passwords as Keys | 50 | |
| artemogarcia | XOR Properties | 15 | |
| HighestClimber | Modulus Inutilis | 50 | |
| Abdulrahman77510 | Bytes and Big Integers | 10 | |
| Abdulrahman77510 | Base64 | 10 | |
| Abdulrahman77510 | Hex | 5 | |
| Abdulrahman77510 | ASCII | 5 | |
| adrianps93 | Adrien's Signs | 80 | |
| Abdulrahman77510 | Network Attacks | 5 | |
| bashrc | Sharks on the Wire | 10 | |
| bashrc | Secure Protocols | 5 | |
| HighestClimber | Salty | 20 | |
| bashrc | RSA or HMAC? | 35 | |
| Abdulrahman77510 | Great Snakes | 3 | |
| bashrc | JWT Secrets | 25 | |
| vr7xl | Great Snakes | 3 | |
| Abdulrahman77510 | Finding Flags | 2 | |
| vr7xl | Finding Flags | 2 | |
| bashrc | No Way JOSE | 20 | |
| bashrc | JWT Sessions | 10 | |
| bashrc | Token Appreciation | 5 | |
| gulliver | Jeff's LFSR | 150 | |
| bashrc | WOTS Up 2 | 90 | |
| bashrc | WOTS Up | 75 | |
| sedtx | Exceptional Curves | 100 | |
| bashrc | Merkle Trees | 25 | |
| bashrc | Invariant | 250 | |
| Guzlyach | XOR Starter | 10 | |
| bashrc | Mixed Up | 120 | |
| alifgfr | XOR Properties | 15 | |
| siriusraven | Export-grade | 100 | |
| adrianps93 | Chinese Remainder Theorem | 40 | |
| alifgfr | ASCII | 5 | |
| adrianps93 | Modular Square Root | 35 | |
| bashrc | MDFlag | 125 | |
| bashrc | MD0 | 80 | |
| adrianps93 | Legendre Symbol | 35 | |
| bashrc | No Difference | 175 | |
| bashrc | Twin Keys | 100 | |
| Iamhacker | Base64 | 10 | |
| adrianps93 | Quadratic Residues | 25 | |
| adrianps93 | Modular Inverting | 25 |
You are now level Current level