| Date | User | Challenge | Score |
| ZhangWenxuan | Size and Basis | 15 | |
| ZhangWenxuan | Vectors | 10 | |
| ZhangWenxuan | Background Reading | 5 | |
| Hide | Structure of AES | 15 | |
| ZhangWenxuan | Point Addition | 30 | |
| Hide | Lemur XOR | 40 | |
| shynnevilla | Too Many Errors | 100 | |
| Yugansh | You either know, XOR you don't | 30 | |
| Arnav1212121212 | You either know, XOR you don't | 30 | |
| Arnav1212121212 | Favourite byte | 20 | |
| Yugansh | Favourite byte | 20 | |
| Arnav1212121212 | XOR Properties | 15 | |
| Yugansh | XOR Properties | 15 | |
| Arnav1212121212 | XOR Starter | 10 | |
| Yugansh | XOR Starter | 10 | |
| Yugansh | Bytes and Big Integers | 10 | |
| Arnav1212121212 | Bytes and Big Integers | 10 | |
| Mikayn | Symmetry | 50 | |
| Arnav1212121212 | Base64 | 10 | |
| Hide | Resisting Bruteforce | 10 | |
| Hide | Keyed Permutations | 5 | |
| Yugansh | Base64 | 10 | |
| Hide | Network Attacks | 5 | |
| Arnav1212121212 | Hex | 5 | |
| Arnav1212121212 | ASCII | 5 | |
| Arnav1212121212 | Great Snakes | 3 | |
| Yugansh | Hex | 5 | |
| Arnav1212121212 | Finding Flags | 2 | |
| Yugansh | ASCII | 5 | |
| Yugansh | Great Snakes | 3 | |
| Yugansh | Finding Flags | 2 | |
| Mikayn | Flipping Cookie | 60 | |
| 999 | Finding Flags | 2 | |
| charlesfuss4 | XOR Starter | 10 | |
| lingyunzhi | Modular Inverting | 25 | |
| lingyunzhi | Modular Arithmetic 2 | 20 | |
| lingyunzhi | Modular Arithmetic 1 | 20 | |
| charlesfuss4 | Bytes and Big Integers | 10 | |
| ZhangWenxuan | Introduction to Isogenies | 10 | |
| Steel01 | WOTS Up 2 | 90 | |
| lingyunzhi | Extended GCD | 20 | |
| tropical_capy | XOR Starter | 10 | |
| tropical_capy | Bytes and Big Integers | 10 | |
| TOZAWA_s1340118 | Private Keys | 20 | |
| s1347006 | Modular Inverting | 25 | |
| nothing793 | Chinese Remainder Theorem | 40 | |
| charlesfuss4 | Base64 | 10 | |
| charlesfuss4 | Hex | 5 | |
| s1347006 | Modular Arithmetic 2 | 20 | |
| s1347006 | Modular Arithmetic 1 | 20 |
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