| Date | User | Challenge | Score |
| fon37 | XOR Properties | 15 | |
| fon37 | XOR Starter | 10 | |
| fon37 | Bytes and Big Integers | 10 | |
| fon37 | Base64 | 10 | |
| pinkierachie | Modes of Operation Starter | 15 | |
| fon37 | Hex | 5 | |
| fon37 | ASCII | 5 | |
| fon37 | Great Snakes | 3 | |
| fon37 | Finding Flags | 2 | |
| fon37 | Modular Binomials | 80 | |
| pinkierachie | Bringing It All Together | 50 | |
| Hackernoob883 | Base64 | 10 | |
| fon37 | Adrien's Signs | 80 | |
| Hackernoob883 | Hex | 5 | |
| KZOrP4Vl | Prime and Prejudice | 200 | |
| fon37 | Chinese Remainder Theorem | 40 | |
| Tjtallman | Modes of Operation Starter | 15 | |
| Hackernoob883 | ASCII | 5 | |
| Hackernoob883 | Great Snakes | 3 | |
| Hackernoob883 | Finding Flags | 2 | |
| Bebe_ | Finding Flags | 2 | |
| Moubass75 | Resisting Bruteforce | 10 | |
| fon37 | Modular Square Root | 35 | |
| Moubass75 | Keyed Permutations | 5 | |
| Moubass75 | You either know, XOR you don't | 30 | |
| Moubass75 | Favourite byte | 20 | |
| Moubass75 | XOR Properties | 15 | |
| Moubass75 | XOR Starter | 10 | |
| Moubass75 | Bytes and Big Integers | 10 | |
| Moubass75 | Network Attacks | 5 | |
| Moubass75 | Base64 | 10 | |
| Moubass75 | Hex | 5 | |
| TheMarcsOv | Modular Binomials | 80 | |
| infernosalex | Bad Temper | 130 | |
| xlscld | You either know, XOR you don't | 30 | |
| mateAplicada | Modulus Inutilis | 50 | |
| mateAplicada | Salty | 20 | |
| mateAplicada | Manyprime | 40 | |
| mateAplicada | Square Eyes | 35 | |
| mateAplicada | Monoprime | 30 | |
| mateAplicada | Inferius Prime | 30 | |
| mateAplicada | Factoring | 15 | |
| mateAplicada | RSA Signatures | 25 | |
| mateAplicada | RSA Decryption | 20 | |
| mateAplicada | Private Keys | 20 | |
| mateAplicada | Euler's Totient | 20 | |
| mateAplicada | Public Keys | 15 | |
| mateAplicada | Modular Exponentiation | 10 | |
| NoBirdWasHam | PriMeD5 | 100 | |
| Havi | XOR Starter | 10 |
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