| Date | User | Challenge | Score |
| kintaro | Legendre Symbol | 35 | |
| Aurora_Team1 | Finding Flags | 2 | |
| lrnzsir | The j-invariant | 20 | |
| lrnzsir | Introduction to Isogenies | 10 | |
| lagerat | Favourite byte | 20 | |
| lagerat | XOR Properties | 15 | |
| ciw | XOR Starter | 10 | |
| 1375185311 | XOR Starter | 10 | |
| kintaro | Quadratic Residues | 25 | |
| bigman | ASCII | 5 | |
| dracangie | XOR Starter | 10 | |
| lagerat | XOR Starter | 10 | |
| interwinhous3 | XOR Starter | 10 | |
| kintaro | Modular Inverting | 25 | |
| ciw | Bytes and Big Integers | 10 | |
| kintaro | Modular Arithmetic 2 | 20 | |
| kintaro | Modular Arithmetic 1 | 20 | |
| MrNught | Bytes and Big Integers | 10 | |
| 1375185311 | Bytes and Big Integers | 10 | |
| racon | Fast Primes | 75 | |
| YIXUANKAN | Finding Flags | 2 | |
| Hari_new | ASCII | 5 | |
| schrotti | XOR Properties | 15 | |
| Gitabi | Legendre Symbol | 35 | |
| bigman | Great Snakes | 3 | |
| kintaro | Extended GCD | 20 | |
| 1375185311 | Base64 | 10 | |
| bigman | Finding Flags | 2 | |
| interwinhous3 | Bytes and Big Integers | 10 | |
| kintaro | Greatest Common Divisor | 15 | |
| elazdi_al | Favourite byte | 20 | |
| Gitabi | Quadratic Residues | 25 | |
| Gitabi | Modular Inverting | 25 | |
| lll111 | Legendre Symbol | 35 | |
| Gitabi | Modular Arithmetic 2 | 20 | |
| 1375185311 | Hex | 5 | |
| schrotti | XOR Starter | 10 | |
| Gitabi | Modular Arithmetic 1 | 20 | |
| Gitabi | Extended GCD | 20 | |
| Vikram_1511 | Bytes and Big Integers | 10 | |
| yvssine | Round Keys | 20 | |
| ciw | Base64 | 10 | |
| Gitabi | Greatest Common Divisor | 15 | |
| Mpezen | ASCII | 5 | |
| yvssine | Structure of AES | 15 | |
| schrotti | Bytes and Big Integers | 10 | |
| MrNught | Base64 | 10 | |
| Shao | Structure of AES | 15 | |
| yyfsec | Modular Arithmetic 1 | 20 | |
| Vikram_1511 | Base64 | 10 |
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