| Date | User | Challenge | Score |
| dj_choppy | Finding Flags | 2 | |
| M1sterco | Network Attacks | 5 | |
| Raunan | Honest Verifier Zero Knowledge | 30 | |
| rL0st | Pad Thai | 80 | |
| rdx_exe | Finding Flags | 2 | |
| SpilledBeans | Bruce Schneier's Password | 100 | |
| zatch11 | Great Snakes | 3 | |
| zatch11 | Finding Flags | 2 | |
| LucasVFT | Finding Flags | 2 | |
| BinHoang | Great Snakes | 3 | |
| osihlovec | Toshi's Treasure | 150 | |
| vasilik1 | XOR Properties | 15 | |
| khanhtai | Roll your Own | 125 | |
| ManuelS | Chinese Remainder Theorem | 40 | |
| Alinaylin | XOR Starter | 10 | |
| vasilik1 | XOR Starter | 10 | |
| Nellle | Finding Flags | 2 | |
| Nellle | Great Snakes | 3 | |
| NEEL_2006_MONDAL | Gaussian Reduction | 50 | |
| Alinaylin | Bytes and Big Integers | 10 | |
| 0xs1nr | Proofs of Knowledge | 20 | |
| NEEL_2006_MONDAL | What's a Lattice? | 40 | |
| Cold4 | Modular Inverting | 25 | |
| Yuuka12345 | Passwords as Keys | 50 | |
| MinhDev | Hex | 5 | |
| MinhDev | ASCII | 5 | |
| MinhDev | Network Attacks | 5 | |
| panici4937 | Modular Inverting | 25 | |
| ManuelS | Modular Square Root | 35 | |
| wokwok | Finding Flags | 2 | |
| alchemist7 | Adrien's Signs | 80 | |
| dovgopoly | Encoding Challenge | 40 | |
| BinHoang | Finding Flags | 2 | |
| pokiTS | JSON in JSON | 40 | |
| tcheidfome | Base64 | 10 | |
| pokiTS | Marin's Secrets | 50 | |
| F25 | Broken RSA | 100 | |
| pokiTS | Infinite Descent | 50 | |
| tcheidfome | Hex | 5 | |
| Yuuka12345 | Modes of Operation Starter | 15 | |
| tcheidfome | ASCII | 5 | |
| ManuelS | Legendre Symbol | 35 | |
| F25 | Exceptional Curves | 100 | |
| AmtrakGuy2 | Let's Decrypt Again | 175 | |
| MinhDev | Great Snakes | 3 | |
| Jinnesn | Great Snakes | 3 | |
| AmtrakGuy2 | Backpack Cryptography | 120 | |
| hmd0102 | Fast Primes | 75 | |
| Jinnesn | Finding Flags | 2 | |
| NitroN | XOR Properties | 15 |
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