| Date | User | Challenge | Score |
| alfyah | Modular Exponentiation | 10 | |
| leinad | You either know, XOR you don't | 30 | |
| leinad | Favourite byte | 20 | |
| alfyah | Hex | 5 | |
| sgrenz | From Private to Public Key LWE | 25 | |
| Deanari25 | You either know, XOR you don't | 30 | |
| rizukuy | Monoprime | 30 | |
| rizukuy | Factoring | 15 | |
| Deanari25 | Favourite byte | 20 | |
| Deanari25 | XOR Properties | 15 | |
| sgrenz | LWE Low Bits Message | 20 | |
| yacine2929 | Base64 | 10 | |
| rizukuy | RSA Signatures | 25 | |
| Deanari25 | XOR Starter | 10 | |
| sgrenz | LWE High Bits Message | 15 | |
| Deanari25 | Bytes and Big Integers | 10 | |
| adsW | Bytes and Big Integers | 10 | |
| Deanari25 | Base64 | 10 | |
| adsW | Base64 | 10 | |
| Deanari25 | Hex | 5 | |
| galtbar | Modular Binomials | 80 | |
| Deanari25 | ASCII | 5 | |
| adsW | Hex | 5 | |
| Miguel_ACN29 | Modular Binomials | 80 | |
| Miguel_ACN29 | Adrien's Signs | 80 | |
| adsW | ASCII | 5 | |
| Miguel_ACN29 | Chinese Remainder Theorem | 40 | |
| Deanari25 | Great Snakes | 3 | |
| Miguel_ACN29 | Modular Square Root | 35 | |
| 0xh4fun | Modular Square Root | 35 | |
| Miguel_ACN29 | Legendre Symbol | 35 | |
| Miguel_ACN29 | Quadratic Residues | 25 | |
| adsW | Network Attacks | 5 | |
| Miguel_ACN29 | Modular Inverting | 25 | |
| Miguel_ACN29 | Modular Arithmetic 2 | 20 | |
| MisterE | Hex | 5 | |
| Deanari25 | Finding Flags | 2 | |
| adsW | Great Snakes | 3 | |
| adsW | Finding Flags | 2 | |
| MisterE | ASCII | 5 | |
| Miguel_ACN29 | Modular Arithmetic 1 | 20 | |
| darkvader | Adrien's Signs | 80 | |
| Miguel_ACN29 | Extended GCD | 20 | |
| darkvader | Chinese Remainder Theorem | 40 | |
| darkvader | Modular Square Root | 35 | |
| darkvader | Legendre Symbol | 35 | |
| gu3st | Flipping Cookie | 60 | |
| gu3st | Symmetry | 50 | |
| gu3st | ECB CBC WTF | 55 | |
| gu3st | Structure of AES | 15 |
You are now level Current level