| Date | User | Challenge | Score |
| zackzheng | Hex | 5 | |
| SagamangC | Bytes and Big Integers | 10 | |
| zackzheng | ASCII | 5 | |
| SagamangC | Base64 | 10 | |
| macuo | Great Snakes | 3 | |
| mib | Scalar Multiplication | 35 | |
| Rodenacquioben | Finding Flags | 2 | |
| macuo | Finding Flags | 2 | |
| Knights | Hex | 5 | |
| Knights | ASCII | 5 | |
| akshatdagoat | Bytes and Big Integers | 10 | |
| zackzheng | Great Snakes | 3 | |
| Shrine | Hex | 5 | |
| akshatdagoat | Base64 | 10 | |
| zackzheng | Finding Flags | 2 | |
| LumpyChump | RSA Decryption | 20 | |
| Knights | Great Snakes | 3 | |
| Knights | Finding Flags | 2 | |
| akshatdagoat | Hex | 5 | |
| George_Weasly | Gaussian Reduction | 50 | |
| Jerico | Hex | 5 | |
| Shrine | ASCII | 5 | |
| akshatdagoat | ASCII | 5 | |
| Jerico | ASCII | 5 | |
| Shrine | Great Snakes | 3 | |
| LumpyChump | Private Keys | 20 | |
| Jerico | Great Snakes | 3 | |
| Jerico | Finding Flags | 2 | |
| Tawagon | Hex | 5 | |
| jenny | Hex | 5 | |
| ggerod | XOR Starter | 10 | |
| Tawagon | ASCII | 5 | |
| Rodenacquioben | Quadratic Residues | 25 | |
| jenny | ASCII | 5 | |
| DingusDonda | Hex | 5 | |
| DingusDonda | ASCII | 5 | |
| Rodenacquioben | Modular Inverting | 25 | |
| Tawagon | Great Snakes | 3 | |
| Kaslana | ASCII | 5 | |
| SagamangC | Hex | 5 | |
| Hansen | Hex | 5 | |
| jenny | Great Snakes | 3 | |
| DingusDonda | Great Snakes | 3 | |
| Rodenacquioben | Modular Arithmetic 2 | 20 | |
| jenny | Finding Flags | 2 | |
| Tawagon | Finding Flags | 2 | |
| LumpyChump | Euler's Totient | 20 | |
| SagamangC | ASCII | 5 | |
| Hansen | ASCII | 5 | |
| akshatdagoat | Network Attacks | 5 |
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