| Date | User | Challenge | Score |
| nathaniel2407 | Modular Square Root | 35 | |
| licoli | Finding Flags | 2 | |
| nathaniel2407 | Legendre Symbol | 35 | |
| nathaniel2407 | Quadratic Residues | 25 | |
| nprat | Modular Inverting | 25 | |
| t8357 | Finding Flags | 2 | |
| stenthesis | Finding Flags | 2 | |
| impeding9080 | XOR Properties | 15 | |
| nathaniel2407 | Modular Inverting | 25 | |
| cryptoRiO | An Exceptional Twisted Mind | 125 | |
| mrc_crypto | XOR Starter | 10 | |
| niq | Bytes and Big Integers | 10 | |
| niq | Base64 | 10 | |
| testoto123 | Token Appreciation | 5 | |
| niq | Hex | 5 | |
| testoto123 | You either know, XOR you don't | 30 | |
| niq | ASCII | 5 | |
| niq | Great Snakes | 3 | |
| moner124 | Finding Flags | 2 | |
| niq | Finding Flags | 2 | |
| nathaniel2407 | Modular Arithmetic 2 | 20 | |
| testoto123 | Favourite byte | 20 | |
| jf_x_dev | Modular Square Root | 35 | |
| 0xs1nr | Signing Server | 60 | |
| testoto123 | XOR Properties | 15 | |
| nathaniel2407 | Modular Arithmetic 1 | 20 | |
| mrc_crypto | Bytes and Big Integers | 10 | |
| testoto123 | XOR Starter | 10 | |
| holsviktor | JSON in JSON | 40 | |
| nathaniel2407 | Extended GCD | 20 | |
| testoto123 | Bytes and Big Integers | 10 | |
| mosint_nagant | Greatest Common Divisor | 15 | |
| holsviktor | RSA or HMAC? | 35 | |
| nathaniel2407 | Greatest Common Divisor | 15 | |
| testoto123 | Base64 | 10 | |
| SpitfireForFun | Greatest Common Divisor | 15 | |
| jf_x_dev | Legendre Symbol | 35 | |
| cryptoRiO | A Twisted Mind | 80 | |
| testoto123 | Hex | 5 | |
| testoto123 | ASCII | 5 | |
| Sherpearce | Quadratic Residues | 25 | |
| testoto123 | Great Snakes | 3 | |
| testoto123 | Finding Flags | 2 | |
| python_error404 | Quadratic Residues | 25 | |
| nathaniel2407 | You either know, XOR you don't | 30 | |
| holsviktor | JWT Secrets | 25 | |
| nathaniel2407 | Favourite byte | 20 | |
| jf_x_dev | Quadratic Residues | 25 | |
| jf_x_dev | Modular Inverting | 25 | |
| nathaniel2407 | XOR Properties | 15 |
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