| Date | User | Challenge | Score |
| teetoamate | Decrypting TLS 1.2 | 30 | |
| absimaman | Great Snakes | 3 | |
| eamend9 | ASCII | 5 | |
| AllFine | Extended GCD | 20 | |
| emptyspaces | Modular Binomials | 80 | |
| zgd909 | Factoring | 15 | |
| jszablanowski | Working with Fields | 10 | |
| AllFine | Greatest Common Divisor | 15 | |
| zgd909 | RSA Signatures | 25 | |
| zgd909 | RSA Decryption | 20 | |
| zgd909 | Private Keys | 20 | |
| zgd909 | Euler's Totient | 20 | |
| zgd909 | Public Keys | 15 | |
| zgd909 | Modular Exponentiation | 10 | |
| teetoamate | Saying Hello | 20 | |
| emptyspaces | Adrien's Signs | 80 | |
| buz | You either know, XOR you don't | 30 | |
| mpatel | RSA Decryption | 20 | |
| rycbarm123 | RSA Signatures | 25 | |
| mpatel | Private Keys | 20 | |
| doneyit413 | No Way Back Home | 100 | |
| mpatel | Euler's Totient | 20 | |
| absimaman | Finding Flags | 2 | |
| mpatel | Public Keys | 15 | |
| mpatel | Modular Exponentiation | 10 | |
| rycbarm123 | RSA Decryption | 20 | |
| seagul | Encoding Challenge | 40 | |
| rycbarm123 | Private Keys | 20 | |
| rycbarm123 | Euler's Totient | 20 | |
| rycbarm123 | Public Keys | 15 | |
| buz | Favourite byte | 20 | |
| rycbarm123 | Modular Exponentiation | 10 | |
| mpatel | Chinese Remainder Theorem | 40 | |
| mpatel | Modular Square Root | 35 | |
| mpatel | Legendre Symbol | 35 | |
| mpatel | Quadratic Residues | 25 | |
| mpatel | Modular Inverting | 25 | |
| mpatel | Modular Arithmetic 2 | 20 | |
| TnT_DG | Factoring | 15 | |
| mpatel | Modular Arithmetic 1 | 20 | |
| doneyit413 | Broken RSA | 100 | |
| Artur6725 | CTRIME | 70 | |
| buz | XOR Properties | 15 | |
| TnT_DG | RSA Signatures | 25 | |
| mpatel | Extended GCD | 20 | |
| mpatel | Greatest Common Divisor | 15 | |
| zgd909 | No Difference | 175 | |
| mpatel | You either know, XOR you don't | 30 | |
| seagul | Structure of AES | 15 | |
| uzer503 | Great Snakes | 3 |
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