| Date | User | Challenge | Score |
| mukh4w | Modular Binomials | 80 | |
| mojitodev | Base64 | 10 | |
| Mizar | Computing Shared Secrets | 30 | |
| kieugiathinhphat | LWE Low Bits Message | 20 | |
| Ibrahimkirabo | XOR Properties | 15 | |
| Mizar | Computing Public Values | 25 | |
| platon17 | Factoring | 15 | |
| Mizar | Generators of Groups | 20 | |
| kieugiathinhphat | LWE High Bits Message | 15 | |
| srioo | Hex | 5 | |
| mathical0732 | Hex | 5 | |
| ashurahmadinah | XOR Starter | 10 | |
| ebrah | XOR Starter | 10 | |
| LOKUBAL | XOR Starter | 10 | |
| Ibrahimkirabo | XOR Starter | 10 | |
| kieugiathinhphat | LWE Intro | 10 | |
| platon17 | RSA Signatures | 25 | |
| rania56 | Quadratic Residues | 25 | |
| kieugiathinhphat | LWE Background | 5 | |
| ebrah | Encoding Challenge | 40 | |
| yadhu7232 | You either know, XOR you don't | 30 | |
| yadhu7232 | Favourite byte | 20 | |
| yadhu7232 | XOR Properties | 15 | |
| yadhu7232 | XOR Starter | 10 | |
| Elaraby_307 | ASCII | 5 | |
| yadhu7232 | Bytes and Big Integers | 10 | |
| kieugiathinhphat | Backpack Cryptography | 120 | |
| yadhu7232 | Base64 | 10 | |
| platon17 | RSA Decryption | 20 | |
| yadhu7232 | Hex | 5 | |
| rania56 | Modular Inverting | 25 | |
| Elaraby_307 | Great Snakes | 3 | |
| yadhu7232 | ASCII | 5 | |
| DavidTruong | Ellipse Curve Cryptography | 125 | |
| srioo | ASCII | 5 | |
| gejin1017462464 | Quadratic Residues | 25 | |
| yadhu7232 | Great Snakes | 3 | |
| rania56 | Modular Arithmetic 2 | 20 | |
| platon17 | Private Keys | 20 | |
| kieugiathinhphat | Find the Lattice | 100 | |
| BartekStf | Hex | 5 | |
| srioo | Great Snakes | 3 | |
| mathical0732 | ASCII | 5 | |
| yadhu7232 | Finding Flags | 2 | |
| KongBai | XOR Starter | 10 | |
| platon17 | Euler's Totient | 20 | |
| kieugiathinhphat | Gaussian Reduction | 50 | |
| BartekStf | ASCII | 5 | |
| BartekStf | Great Snakes | 3 | |
| kieugiathinhphat | What's a Lattice? | 40 |
You are now level Current level