| Date | User | Challenge | Score |
| YoussefTarfous03 | Greatest Common Divisor | 15 | |
| p1k4chu | Great Snakes | 3 | |
| YoussefTarfous03 | You either know, XOR you don't | 30 | |
| YoussefTarfous03 | Favourite byte | 20 | |
| YoussefTarfous03 | XOR Properties | 15 | |
| 4j534j | Bytes and Big Integers | 10 | |
| YoussefTarfous03 | XOR Starter | 10 | |
| YoussefTarfous03 | Bytes and Big Integers | 10 | |
| YoussefTarfous03 | Base64 | 10 | |
| Sogoss | ECB CBC WTF | 55 | |
| YoussefTarfous03 | Hex | 5 | |
| Froz7_ | Greatest Common Divisor | 15 | |
| Sogoss | Flipping Cookie | 60 | |
| YoussefTarfous03 | ASCII | 5 | |
| Fatimaa | Lemur XOR | 40 | |
| p1k4chu | Finding Flags | 2 | |
| ChickenJockey64 | XOR Properties | 15 | |
| AT42110 | Factoring | 15 | |
| 4j534j | Base64 | 10 | |
| Fatimaa | You either know, XOR you don't | 30 | |
| AT42110 | RSA Signatures | 25 | |
| 4j534j | Hex | 5 | |
| YoussefTarfous03 | Great Snakes | 3 | |
| 4j534j | ASCII | 5 | |
| YoussefTarfous03 | Finding Flags | 2 | |
| 4j534j | Great Snakes | 3 | |
| 4j534j | Finding Flags | 2 | |
| Fatimaa | Favourite byte | 20 | |
| Hari542 | Network Attacks | 5 | |
| AvivTavor | Finding Flags | 2 | |
| Fatimaa | XOR Properties | 15 | |
| Tebidel | Computing Public Values | 25 | |
| Sajdah | Network Attacks | 5 | |
| hagga | Network Attacks | 5 | |
| ebrah | Network Attacks | 5 | |
| LOKUBAL | Network Attacks | 5 | |
| ashurahmadinah | Network Attacks | 5 | |
| Fatimaa | XOR Starter | 10 | |
| EmmanuelGoldberg | RSA Decryption | 20 | |
| ggh25410 | Network Attacks | 5 | |
| ChickenJockey64 | Encoding Challenge | 40 | |
| EmmanuelGoldberg | Private Keys | 20 | |
| AT42110 | RSA Decryption | 20 | |
| MukaMuahaha | Finding Flags | 2 | |
| EmmanuelGoldberg | Euler's Totient | 20 | |
| Bieee_2727 | Hex | 5 | |
| EmmanuelGoldberg | Public Keys | 15 | |
| EmmanuelGoldberg | Modular Exponentiation | 10 | |
| hagga | Great Snakes | 3 | |
| LTaki | Broken RSA | 100 |
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