| Date | User | Challenge | Score |
| andisaurus | Finding Flags | 2 | |
| chongyelu | Hex | 5 | |
| outsider5278 | ASCII | 5 | |
| outsider5278 | Great Snakes | 3 | |
| Vogel04 | Bytes and Big Integers | 10 | |
| 0x595 | Bytes and Big Integers | 10 | |
| z8v5nr4d | Smooth Criminal | 60 | |
| kimbon | Bytes and Big Integers | 10 | |
| karynoph | Base64 | 10 | |
| riskytambarta | ASCII | 5 | |
| karynoph | Hex | 5 | |
| Jinx | Passwords as Keys | 50 | |
| Jinx | Modes of Operation Starter | 15 | |
| krok71 | Bytes and Big Integers | 10 | |
| Jinx | ECB CBC WTF | 55 | |
| Vogel04 | Base64 | 10 | |
| Jinx | The Good, The Pad, The Ugly | 100 | |
| Vogel04 | Hex | 5 | |
| luffy_62045 | Private Keys | 20 | |
| n0ah | Factoring | 15 | |
| luffy_62045 | Euler's Totient | 20 | |
| luffy_62045 | Public Keys | 15 | |
| luffy_62045 | Modular Exponentiation | 10 | |
| Jinx | Pad Thai | 80 | |
| Jinx | Dancing Queen | 120 | |
| kimbon | Base64 | 10 | |
| Vogel04 | ASCII | 5 | |
| Vogel04 | Great Snakes | 3 | |
| Vogel04 | Finding Flags | 2 | |
| user1234 | Modulus Inutilis | 50 | |
| Jinx | Logon Zero | 80 | |
| kimbon | Hex | 5 | |
| n0ah | RSA Signatures | 25 | |
| user1234 | Salty | 20 | |
| user1234 | Manyprime | 40 | |
| Jinx | Network Attacks | 5 | |
| Jinx | Privacy-Enhanced Mail? | 25 | |
| n0ah | RSA Decryption | 20 | |
| kujirakt | Great Snakes | 3 | |
| kujirakt | Finding Flags | 2 | |
| kuzak | Hex | 5 | |
| n0ah | Private Keys | 20 | |
| Xifranxx | Bytes and Big Integers | 10 | |
| Jinx | Encoding Challenge | 40 | |
| Xifranxx | Base64 | 10 | |
| n0ah | Euler's Totient | 20 | |
| tranduclam06 | Adrien's Signs | 80 | |
| Xifranxx | Hex | 5 | |
| Xifranxx | ASCII | 5 | |
| lukerking | You either know, XOR you don't | 30 |
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