| Date | User | Challenge | Score |
| labvoip | Great Snakes | 3 | |
| limac246 | Modular Inverting | 25 | |
| blackout | Confusion through Substitution | 25 | |
| ShowySyrup | Greatest Common Divisor | 15 | |
| ub_krypto_25_01 | XOR Starter | 10 | |
| moe0l | Background Reading | 5 | |
| nathanmung | You either know, XOR you don't | 30 | |
| moe0l | Point Negation | 10 | |
| moe0l | Point Addition | 30 | |
| moe0l | Scalar Multiplication | 35 | |
| limac246 | Modular Arithmetic 2 | 20 | |
| ub_krypto_25_05 | Extended GCD | 20 | |
| Jinxix | Hex | 5 | |
| limac246 | Modular Arithmetic 1 | 20 | |
| Jinxix | ASCII | 5 | |
| kaskin | You either know, XOR you don't | 30 | |
| moe0l | Curves and Logs | 40 | |
| moe0l | Efficient Exchange | 50 | |
| cavazinf | ZKP Introduction | 5 | |
| Doog42 | Bytes and Big Integers | 10 | |
| kaskin | Favourite byte | 20 | |
| Jinxix | Great Snakes | 3 | |
| limac246 | Extended GCD | 20 | |
| moe0l | Digestive | 60 | |
| moe0l | Montgomery's Ladder | 40 | |
| moe0l | Double and Broken | 50 | |
| kaskin | XOR Properties | 15 | |
| Jinxix | Finding Flags | 2 | |
| dXNlcm5hbWU_ | Special Soundness | 25 | |
| nathanmung | Favourite byte | 20 | |
| Louise57 | Favourite byte | 20 | |
| nathanmung | XOR Properties | 15 | |
| NonceSensei | Favourite byte | 20 | |
| moe0l | Exceptional Curves | 100 | |
| ShowySyrup | You either know, XOR you don't | 30 | |
| moe0l | No Difference | 175 | |
| moe0l | Ticket Maestro (CryptoHack) | 0 | |
| CtREL0K | Real Eisenstein | 150 | |
| wcmason | Favourite byte | 20 | |
| cavazinf | Efficient Exchange | 50 | |
| cavazinf | Curves and Logs | 40 | |
| arp1t0x | Marin's Secrets | 50 | |
| cavazinf | Scalar Multiplication | 35 | |
| henril | Bytes and Big Integers | 10 | |
| cavazinf | Point Addition | 30 | |
| cavazinf | Point Negation | 10 | |
| henril | Base64 | 10 | |
| nathanmung | XOR Starter | 10 | |
| NonceSensei | XOR Properties | 15 | |
| henril | Hex | 5 |
You are now level Current level