| Date | User | Challenge | Score |
| aghfagfhagf | Extended GCD | 20 | |
| dysous | Great Snakes | 3 | |
| Bleurie | Finding Flags | 2 | |
| aghfagfhagf | Greatest Common Divisor | 15 | |
| dysous | Finding Flags | 2 | |
| yuyuchi | Smooth Criminal | 60 | |
| wangdi7670 | XOR Properties | 15 | |
| aghfagfhagf | You either know, XOR you don't | 30 | |
| toomanysecrets | Bytes and Big Integers | 10 | |
| aghfagfhagf | Favourite byte | 20 | |
| aghfagfhagf | XOR Properties | 15 | |
| step_jo | XOR Starter | 10 | |
| quangntenemy | RSA vs RNG | 150 | |
| aghfagfhagf | XOR Starter | 10 | |
| toomanysecrets | Base64 | 10 | |
| Thanosong | Modular Inverting | 25 | |
| Thanosong | Modular Arithmetic 2 | 20 | |
| useless | Modular Square Root | 35 | |
| aghfagfhagf | Bytes and Big Integers | 10 | |
| GeorgeSor | Square Eyes | 35 | |
| aghfagfhagf | Base64 | 10 | |
| Thanosong | Modular Arithmetic 1 | 20 | |
| step_jo | Bytes and Big Integers | 10 | |
| yuyuchi | Montgomery's Ladder | 40 | |
| aghfagfhagf | Hex | 5 | |
| aghfagfhagf | ASCII | 5 | |
| aghfagfhagf | Great Snakes | 3 | |
| Kolling | XOR Starter | 10 | |
| aghfagfhagf | Finding Flags | 2 | |
| step_jo | Base64 | 10 | |
| GeorgeSor | Monoprime | 30 | |
| snowman_am2 | RSA Decryption | 20 | |
| snowman_am2 | Private Keys | 20 | |
| snowman_am2 | Euler's Totient | 20 | |
| snowman_am2 | Public Keys | 15 | |
| snowman_am2 | Modular Exponentiation | 10 | |
| arsh0 | Modular Arithmetic 2 | 20 | |
| toomanysecrets | Hex | 5 | |
| arsh0 | Modular Arithmetic 1 | 20 | |
| WallaceWiggles51 | Base64 | 10 | |
| max1011840 | Great Snakes | 3 | |
| toomanysecrets | ASCII | 5 | |
| Kolling | Bytes and Big Integers | 10 | |
| arsh0 | Extended GCD | 20 | |
| max1011840 | Finding Flags | 2 | |
| toomanysecrets | Great Snakes | 3 | |
| toomanysecrets | Finding Flags | 2 | |
| GeorgeSor | Inferius Prime | 30 | |
| rahmec | MDFlag | 125 | |
| greysneakthief | Greatest Common Divisor | 15 |
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