| Date | User | Challenge | Score |
| sclindquist | Great Snakes | 3 | |
| sclindquist | Finding Flags | 2 | |
| saro | Common Ground | 75 | |
| Kovi | Modular Arithmetic 2 | 20 | |
| LvKNnT | Bad Temper 2 | 150 | |
| duckpancakes | Transparency | 50 | |
| BenMorris17 | Great Snakes | 3 | |
| duckpancakes | SSH Keys | 35 | |
| Babafaba | Seventy-Two | 50 | |
| bonio | Finding Flags | 2 | |
| LvKNnT | Bad Temper | 130 | |
| duckpancakes | CERTainly not | 30 | |
| jojo2504 | No Leaks | 100 | |
| brf | You either know, XOR you don't | 30 | |
| kurumi_ | Roll your Own | 125 | |
| sevket12 | Point Negation | 10 | |
| Babafaba | Bad Temper 2 | 150 | |
| DonMartell | Finding Flags | 2 | |
| aloof | Seventy-Two | 50 | |
| duckpancakes | Privacy-Enhanced Mail? | 25 | |
| siriusraven | Exceptional Curves | 100 | |
| betoro | Base64 | 10 | |
| dXNlcm5hbWU_ | Efficient Exchange | 50 | |
| betoro | Hex | 5 | |
| ConnorM | Bad Temper 2 | 150 | |
| betoro | ASCII | 5 | |
| BenMorris17 | Finding Flags | 2 | |
| betoro | Great Snakes | 3 | |
| saka448 | Finding Flags | 2 | |
| betoro | Finding Flags | 2 | |
| aquacat | Bad Temper 2 | 150 | |
| SamHyde09 | Great Snakes | 3 | |
| gokulavasan | Modular Arithmetic 2 | 20 | |
| aloof | Common Ground | 75 | |
| Nagat2006 | You either know, XOR you don't | 30 | |
| ConnorM | Bad Temper | 130 | |
| aquacat | Bad Temper | 130 | |
| lvcv4y | Signing Server | 60 | |
| SamHyde09 | Finding Flags | 2 | |
| Nagat2006 | Favourite byte | 20 | |
| dXNlcm5hbWU_ | Curves and Logs | 40 | |
| Arwa_45 | Extended GCD | 20 | |
| Nagat2006 | XOR Properties | 15 | |
| lvcv4y | Bespoke Padding | 100 | |
| SevenHJM | Great Snakes | 3 | |
| J00 | Hex | 5 | |
| duckpancakes | Encoding Challenge | 40 | |
| VKcyber | You either know, XOR you don't | 30 | |
| dXNlcm5hbWU_ | Scalar Multiplication | 35 | |
| VKcyber | Favourite byte | 20 |
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