| Date | User | Challenge | Score |
| christian12341 | XOR Properties | 15 | |
| christian12341 | XOR Starter | 10 | |
| neo115 | ASCII | 5 | |
| diegod_1021 | Network Attacks | 5 | |
| ANNI3_EatsIce | Finding Flags | 2 | |
| alcm | You either know, XOR you don't | 30 | |
| selectko | XOR Starter | 10 | |
| Minhhau | Structure of AES | 15 | |
| xtrm0 | Oracular Spectacular | 150 | |
| xtrm0 | WOTS Up 2 | 90 | |
| neo115 | Great Snakes | 3 | |
| alcm | Favourite byte | 20 | |
| neo115 | Finding Flags | 2 | |
| alcm | XOR Properties | 15 | |
| guyu | JSON in JSON | 40 | |
| christian12341 | Bytes and Big Integers | 10 | |
| diegod_1021 | You either know, XOR you don't | 30 | |
| Pinotage | ECB CBC WTF | 55 | |
| alcm | XOR Starter | 10 | |
| Ahmed_Ali | Lazy CBC | 60 | |
| alcm | Bytes and Big Integers | 10 | |
| Ahmed_Ali | Network Attacks | 5 | |
| Ahmed_Ali | WOTS Up 2 | 90 | |
| Ahmed_Ali | WOTS Up | 75 | |
| Anass67 | Symmetry | 50 | |
| Ahmed_Ali | Merkle Trees | 25 | |
| Ahmed_Ali | Mixed Up | 120 | |
| selectko | Bytes and Big Integers | 10 | |
| hassaan_36367 | Bytes and Big Integers | 10 | |
| Ahmed_Ali | Invariant | 250 | |
| alcm | Base64 | 10 | |
| strikeout | Legendre Symbol | 35 | |
| Ahmed_Ali | Twin Keys | 100 | |
| hassaan_36367 | Base64 | 10 | |
| alcm | Hex | 5 | |
| MasterLJ | Roll your Own | 125 | |
| pidro | Base64 | 10 | |
| Dandani3awtani | Finding Flags | 2 | |
| hassaan_36367 | Hex | 5 | |
| pidro | Hex | 5 | |
| alcm | ASCII | 5 | |
| Ahmed_Ali | MDFlag | 125 | |
| hassaan_36367 | ASCII | 5 | |
| alcm | Great Snakes | 3 | |
| bayram | You either know, XOR you don't | 30 | |
| strikeout | Quadratic Residues | 25 | |
| Anass67 | Flipping Cookie | 60 | |
| christian12341 | Base64 | 10 | |
| hassaan_36367 | Great Snakes | 3 | |
| vinictf | Bytes and Big Integers | 10 |
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