| Date | User | Challenge | Score |
| kiaN2C | Favourite byte | 20 | |
| LuCpp | Bytes and Big Integers | 10 | |
| ellie_m | Bytes and Big Integers | 10 | |
| sjobaid | Finding Flags | 2 | |
| LuCpp | Base64 | 10 | |
| LuCpp | Hex | 5 | |
| LuCpp | ASCII | 5 | |
| kiaN2C | XOR Properties | 15 | |
| LuCpp | Network Attacks | 5 | |
| LuCpp | Great Snakes | 3 | |
| LuCpp | Finding Flags | 2 | |
| p0incare | Network Attacks | 5 | |
| Xela12 | Encoding Challenge | 40 | |
| archex | Modulus Inutilis | 50 | |
| dirmanyfer | Modular Inverting | 25 | |
| TryH4rder | Modular Inverting | 25 | |
| rev2ret | XOR Properties | 15 | |
| madnox | ASCII | 5 | |
| p0incare | Modular Inverting | 25 | |
| TryH4rder | Modular Arithmetic 2 | 20 | |
| ksio | Base64 | 10 | |
| CarsonB | Moving Problems | 150 | |
| dirmanyfer | Modular Arithmetic 2 | 20 | |
| conor13rp | Size and Basis | 15 | |
| conor13rp | Vectors | 10 | |
| Xela12 | Network Attacks | 5 | |
| rev2ret | XOR Starter | 10 | |
| da_freak | Great Snakes | 3 | |
| da_freak | Finding Flags | 2 | |
| Xela12 | Bean Counter | 60 | |
| CarsonB | ProSign 3 | 100 | |
| kiaN2C | XOR Starter | 10 | |
| Lance0 | ZKP Introduction | 5 | |
| ksio | Hex | 5 | |
| photon25 | ASCII | 5 | |
| Geethika | Public Keys | 15 | |
| p0incare | Modular Arithmetic 2 | 20 | |
| ksio | ASCII | 5 | |
| d4pr0 | Paper Plane | 120 | |
| CarsonB | Curveball | 100 | |
| archex | Salty | 20 | |
| dirmanyfer | Modular Arithmetic 1 | 20 | |
| TryH4rder | Modular Arithmetic 1 | 20 | |
| Geethika | Modular Exponentiation | 10 | |
| kiaN2C | Bytes and Big Integers | 10 | |
| CarsonB | Smooth Criminal | 60 | |
| p0incare | Modular Arithmetic 1 | 20 | |
| Visitor001 | Network Attacks | 5 | |
| dirmanyfer | Extended GCD | 20 | |
| p0incare | Extended GCD | 20 |
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