| Date | User | Challenge | Score |
| Smiley31 | Modular Exponentiation | 10 | |
| jakobKL | Euler's Totient | 20 | |
| LinusL | Euler's Totient | 20 | |
| Klingenbrunner | Private Keys | 20 | |
| farmaddax | Favourite byte | 20 | |
| farmaddax | XOR Properties | 15 | |
| ozodbek | Hex | 5 | |
| guli16 | Hex | 5 | |
| guli16 | ASCII | 5 | |
| KA183R | Public Keys | 15 | |
| ozodbek | ASCII | 5 | |
| farmaddax | XOR Starter | 10 | |
| y0dam4n | ProSign 3 | 100 | |
| farmaddax | Bytes and Big Integers | 10 | |
| lydiah | Chinese Remainder Theorem | 40 | |
| farmaddax | Base64 | 10 | |
| lydiah | Modular Square Root | 35 | |
| farmaddax | Hex | 5 | |
| farmaddax | ASCII | 5 | |
| guli16 | Great Snakes | 3 | |
| lydiah | Legendre Symbol | 35 | |
| mohigul | ASCII | 5 | |
| Farida | ASCII | 5 | |
| nurikkk11 | Finding Flags | 2 | |
| hayottt | Finding Flags | 2 | |
| laziz | Finding Flags | 2 | |
| ozodbek | Finding Flags | 2 | |
| farmaddax | Great Snakes | 3 | |
| guli16 | Finding Flags | 2 | |
| farrukh_777 | Finding Flags | 2 | |
| asilbek | Finding Flags | 2 | |
| doza609 | Finding Flags | 2 | |
| hack1a | Finding Flags | 2 | |
| farmaddax | Finding Flags | 2 | |
| Masiliso | Finding Flags | 2 | |
| alaouinadi | Parameter Injection | 60 | |
| Ayuwandira | Base64 | 10 | |
| KA183R | Modular Exponentiation | 10 | |
| cookie303 | Scalar Multiplication | 35 | |
| Nadine | Modular Binomials | 80 | |
| N1ktra | Bytes and Big Integers | 10 | |
| Nadine | Adrien's Signs | 80 | |
| Nadine | Chinese Remainder Theorem | 40 | |
| Nadine | Modular Square Root | 35 | |
| Marco89 | Modular Binomials | 80 | |
| Nadine | Legendre Symbol | 35 | |
| Ussser | Modular Arithmetic 1 | 20 | |
| Nadine | Quadratic Residues | 25 | |
| Nadine | Modular Inverting | 25 | |
| Nadine | Modular Arithmetic 2 | 20 |
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