| Date | User | Challenge | Score |
| AmandaKoki | ASCII | 5 | |
| eren45 | Finding Flags | 2 | |
| koreanronaldo | XOR Properties | 15 | |
| Ctranikinn | Chinese Remainder Theorem | 40 | |
| znur | Bytes and Big Integers | 10 | |
| Golden_Eagle | Modular Inverting | 25 | |
| znur | Base64 | 10 | |
| Golden_Eagle | Modular Arithmetic 2 | 20 | |
| znur | Hex | 5 | |
| ADDADDA | Modular Binomials | 80 | |
| pppp | Signing Server | 60 | |
| RonnieKipkoech | ASCII | 5 | |
| AmandaKoki | Great Snakes | 3 | |
| vtytar | PriMeD5 | 100 | |
| znur | ASCII | 5 | |
| znur | Network Attacks | 5 | |
| Golden_Eagle | Modular Arithmetic 1 | 20 | |
| ADDADDA | Adrien's Signs | 80 | |
| Ayhamodeh | Modular Arithmetic 1 | 20 | |
| znur | Great Snakes | 3 | |
| Tatters | You either know, XOR you don't | 30 | |
| koreanronaldo | XOR Starter | 10 | |
| Tatters | Favourite byte | 20 | |
| RonnieKipkoech | Great Snakes | 3 | |
| teck | Modular Square Root | 35 | |
| Tatters | XOR Properties | 15 | |
| Tatters | XOR Starter | 10 | |
| Barbara_okere | ASCII | 5 | |
| Tatters | Bytes and Big Integers | 10 | |
| AmandaKoki | Finding Flags | 2 | |
| spesk | XOR Starter | 10 | |
| Tatters | Base64 | 10 | |
| Ayhamodeh | Extended GCD | 20 | |
| Barbara_okere | Great Snakes | 3 | |
| Tatters | Hex | 5 | |
| keith_oruo | You either know, XOR you don't | 30 | |
| Barbara_okere | Finding Flags | 2 | |
| keith_oruo | Favourite byte | 20 | |
| MieayamPerfect | Euler's Totient | 20 | |
| MieayamPerfect | Public Keys | 15 | |
| spesk | Bytes and Big Integers | 10 | |
| sulha | You either know, XOR you don't | 30 | |
| Golden_Eagle | Extended GCD | 20 | |
| keith_oruo | XOR Properties | 15 | |
| MieayamPerfect | Modular Exponentiation | 10 | |
| keith_oruo | XOR Starter | 10 | |
| keith_oruo | Bytes and Big Integers | 10 | |
| pam_d | XOR Starter | 10 | |
| RonnieKipkoech | Finding Flags | 2 | |
| Ctranikinn | Modular Square Root | 35 |
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