| Date | User | Challenge | Score |
| wyaptw | Manyprime | 40 | |
| nous | Hamiltonicity (CryptoHack) | 0 | |
| wyaptw | Square Eyes | 35 | |
| Awakened_Tyrant | ASCII | 5 | |
| fretziebacsal | Generators of Groups | 20 | |
| fretziebacsal | Working with Fields | 10 | |
| fretziebacsal | Base64 | 10 | |
| wyaptw | Monoprime | 30 | |
| fretziebacsal | Hex | 5 | |
| wyaptw | Inferius Prime | 30 | |
| Awakened_Tyrant | Great Snakes | 3 | |
| Awakened_Tyrant | Finding Flags | 2 | |
| wyaptw | Factoring | 15 | |
| fretziebacsal | ASCII | 5 | |
| wyaptw | RSA Signatures | 25 | |
| fretziebacsal | JWT Sessions | 10 | |
| fretziebacsal | Token Appreciation | 5 | |
| Art1shok | Great Snakes | 3 | |
| fretziebacsal | Resisting Bruteforce | 10 | |
| Art1shok | Finding Flags | 2 | |
| fretziebacsal | Keyed Permutations | 5 | |
| fretziebacsal | Quadratic Residues | 25 | |
| wyaptw | RSA Decryption | 20 | |
| fretziebacsal | Square Eyes | 35 | |
| wyaptw | Private Keys | 20 | |
| wyaptw | Euler's Totient | 20 | |
| fretziebacsal | Monoprime | 30 | |
| wyaptw | Public Keys | 15 | |
| _HiroshiYur_ | Finding Flags | 2 | |
| wyaptw | Modular Exponentiation | 10 | |
| MuneebCantCTF | Passwords as Keys | 50 | |
| JoeBiden | Diffusion through Permutation | 30 | |
| fretziebacsal | Finding Flags | 2 | |
| MuneebCantCTF | Modes of Operation Starter | 15 | |
| Danonek | Greatest Common Divisor | 15 | |
| yeongtak | Background Reading | 5 | |
| DxT3r | Greatest Common Divisor | 15 | |
| iba | Finding Flags | 2 | |
| hallin | Finding Flags | 2 | |
| geuple | You either know, XOR you don't | 30 | |
| geuple | Favourite byte | 20 | |
| geuple | XOR Properties | 15 | |
| abcdefghijklmno | Modular Arithmetic 1 | 20 | |
| nissapra | XOR Starter | 10 | |
| Dcaha001 | XOR Starter | 10 | |
| kaifbhagat | Hex | 5 | |
| kaifbhagat | ASCII | 5 | |
| Zirey | ASCII | 5 | |
| nissapra | Bytes and Big Integers | 10 | |
| kaifbhagat | Network Attacks | 5 |
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