| Date | User | Challenge | Score |
| duckpancakes | Modulus Inutilis | 50 | |
| nous | Ticket Maestro (CryptoHack) | 0 | |
| jlopez | Favourite byte | 20 | |
| 123koshihan | Public Keys | 15 | |
| jlopez | XOR Properties | 15 | |
| avners | Smooth Criminal | 60 | |
| nous | ed25519 magic (ICC Athens) | 0 | |
| AT66 | XOR Starter | 10 | |
| nous | Vectors | 10 | |
| AT66 | Bytes and Big Integers | 10 | |
| Jaewon852 | Diffusion through Permutation | 30 | |
| AT66 | Base64 | 10 | |
| AT66 | Hex | 5 | |
| AT66 | ASCII | 5 | |
| AT66 | Great Snakes | 3 | |
| AT66 | Finding Flags | 2 | |
| harshsonker | ASCII | 5 | |
| Pet_air | Favourite byte | 20 | |
| agrocos | Modular Square Root | 35 | |
| MachinDifforme | Favourite byte | 20 | |
| ffd8 | Modular Square Root | 35 | |
| APTashraf2026 | Export-grade | 100 | |
| THHTt | ASCII | 5 | |
| max_krut | Finding Flags | 2 | |
| harshsonker | Great Snakes | 3 | |
| THHTt | Great Snakes | 3 | |
| nullbyte0x00 | Flipping Cookie | 60 | |
| XLR8 | Hamiltonicity 1 | 100 | |
| wool1903 | Hex | 5 | |
| XLR8 | Hamiltonicity (CryptoHack) | 0 | |
| jlopez | XOR Starter | 10 | |
| harshsonker | Finding Flags | 2 | |
| wool1903 | ASCII | 5 | |
| veryc00lguy | Favourite byte | 20 | |
| wool1903 | Great Snakes | 3 | |
| MachinDifforme | XOR Properties | 15 | |
| THHTt | Finding Flags | 2 | |
| wool1903 | Finding Flags | 2 | |
| 123koshihan | Modular Exponentiation | 10 | |
| ung | Favourite byte | 20 | |
| ung | XOR Properties | 15 | |
| tatakaw13_9 | Modular Inverting | 25 | |
| tatakaw13_9 | Modular Arithmetic 2 | 20 | |
| ung | XOR Starter | 10 | |
| noj | XOR Starter | 10 | |
| H_hippopus | XOR Properties | 15 | |
| some1hing | Modular Square Root | 35 | |
| Pet_air | XOR Properties | 15 | |
| veryc00lguy | XOR Properties | 15 | |
| remtam | You either know, XOR you don't | 30 |
You are now level Current level