| Date | User | Challenge | Score |
| kingofburger | ASCII | 5 | |
| shyhat | Public Keys | 15 | |
| kingofburger | Great Snakes | 3 | |
| Kyle_0215 | Moving Problems | 150 | |
| zaidanhextt | Private Keys | 20 | |
| SiYouan | Roll your Own | 125 | |
| kingofburger | Finding Flags | 2 | |
| zaidanhextt | Euler's Totient | 20 | |
| vladraft | Finding Flags | 2 | |
| zaidanhextt | Public Keys | 15 | |
| zaidanhextt | Modular Exponentiation | 10 | |
| zaidanhextt | Network Attacks | 5 | |
| shyhat | Modular Exponentiation | 10 | |
| karasec | Base64 | 10 | |
| karasec | Hex | 5 | |
| zaidanhextt | Great Snakes | 3 | |
| Sovann7 | Finding Flags | 2 | |
| zaidanhextt | Finding Flags | 2 | |
| karasec | ASCII | 5 | |
| hakka52 | Let's Decrypt | 80 | |
| karasec | Great Snakes | 3 | |
| karasec | Finding Flags | 2 | |
| diffelapi | Jack's Birthday Hash | 20 | |
| Darkreunion | Hex | 5 | |
| Darkreunion | ASCII | 5 | |
| Darkreunion | Network Attacks | 5 | |
| Darkreunion | Great Snakes | 3 | |
| SiYouan | Ellipse Curve Cryptography | 125 | |
| dhanush_kudva | Base64 | 10 | |
| betterbea | Adrien's Signs | 80 | |
| qwra | Marin's Secrets | 50 | |
| void12 | Base64 | 10 | |
| qwra | Infinite Descent | 50 | |
| dhanush_kudva | Hex | 5 | |
| hakka52 | Signing Server | 60 | |
| CrazyFoX | XOR Starter | 10 | |
| dhanush_kudva | ASCII | 5 | |
| HAITHAM | Finding Flags | 2 | |
| dhanush_kudva | Great Snakes | 3 | |
| NguyenNK | Keyed Permutations | 5 | |
| dhanush_kudva | Finding Flags | 2 | |
| khushiii | Great Snakes | 3 | |
| void12 | Hex | 5 | |
| void12 | ASCII | 5 | |
| khushiii | Finding Flags | 2 | |
| void12 | Great Snakes | 3 | |
| thedobs | XOR Starter | 10 | |
| x3ric | RSA Secret Sharing (WACON) | 0 | |
| xianggenglihai | Quadratic Residues | 25 | |
| qwra | Endless Emails | 150 |
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