| Date | User | Challenge | Score |
| Dessert | Broken RSA | 100 | |
| JoanMakena | Resisting Bruteforce | 10 | |
| RoninKJ | The Good, The Pad, The Ugly | 100 | |
| JoanMakena | Keyed Permutations | 5 | |
| 223874_Mark | Euler's Totient | 20 | |
| klasstra | Great Snakes | 3 | |
| 223874_Mark | Public Keys | 15 | |
| klasstra | Finding Flags | 2 | |
| jradarsh | Great Snakes | 3 | |
| Timur28838382828 | You either know, XOR you don't | 30 | |
| Timur28838382828 | Favourite byte | 20 | |
| Timur28838382828 | XOR Properties | 15 | |
| jradarsh | Finding Flags | 2 | |
| Temirlan12312312 | You either know, XOR you don't | 30 | |
| Timur28838382828 | XOR Starter | 10 | |
| Timur28838382828 | Bytes and Big Integers | 10 | |
| Timur28838382828 | Base64 | 10 | |
| Temirlan12312312 | Favourite byte | 20 | |
| Temirlan12312312 | XOR Properties | 15 | |
| Temirlan12312312 | XOR Starter | 10 | |
| Temirlan12312312 | Bytes and Big Integers | 10 | |
| IssaHacker | Great Snakes | 3 | |
| Timur28838382828 | Hex | 5 | |
| Temirlan12312312 | Base64 | 10 | |
| Timur28838382828 | ASCII | 5 | |
| Temirlan12312312 | Hex | 5 | |
| Timur28838382828 | Great Snakes | 3 | |
| Temirlan12312312 | ASCII | 5 | |
| Timur28838382828 | Finding Flags | 2 | |
| Temirlan12312312 | Great Snakes | 3 | |
| Temirlan12312312 | Finding Flags | 2 | |
| IssaHacker | Finding Flags | 2 | |
| baget | You either know, XOR you don't | 30 | |
| JMC3 | XOR Starter | 10 | |
| FORESTA | Size and Basis | 15 | |
| 223874_Mark | Modular Exponentiation | 10 | |
| Samigo | Manyprime | 40 | |
| SUPL3X | Base64 | 10 | |
| hikaru820 | Legendre Symbol | 35 | |
| navyansh18 | XOR Properties | 15 | |
| Redwings1 | Finding Flags | 2 | |
| 25x8 | You either know, XOR you don't | 30 | |
| Samigo | Moving Problems | 150 | |
| bcc | Vectors | 10 | |
| FORESTA | Vectors | 10 | |
| SUPL3X | Hex | 5 | |
| JMC3 | Bytes and Big Integers | 10 | |
| fingopolo | Base64 | 10 | |
| jpisani86 | Great Snakes | 3 | |
| bogster | Quadratic Residues | 25 |
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