| Date | User | Challenge | Score |
| Quantum_Shiraz | Bytes and Big Integers | 10 | |
| MatiasVillan | ASCII | 5 | |
| charles_kabuga | Chinese Remainder Theorem | 40 | |
| charles_kabuga | Modular Square Root | 35 | |
| charles_kabuga | Legendre Symbol | 35 | |
| charles_kabuga | Quadratic Residues | 25 | |
| JOJAR | RSA or HMAC? Part 2 | 100 | |
| charles_kabuga | Modular Inverting | 25 | |
| janolav | Quadratic Residues | 25 | |
| Snacky | Modular Inverting | 25 | |
| charles_kabuga | Modular Arithmetic 2 | 20 | |
| charles_kabuga | Modular Arithmetic 1 | 20 | |
| charles_kabuga | Extended GCD | 20 | |
| charles_kabuga | Greatest Common Divisor | 15 | |
| JakovM | Bytes and Big Integers | 10 | |
| epoj | Bytes and Big Integers | 10 | |
| Force_er | Greatest Common Divisor | 15 | |
| epoj | Base64 | 10 | |
| Quantum_Shiraz | Base64 | 10 | |
| epoj | Hex | 5 | |
| janolav | Modular Inverting | 25 | |
| GRUPO092026 | Modular Inverting | 25 | |
| Respectful_S33R | Base64 | 10 | |
| GRUPO092026 | Modular Arithmetic 2 | 20 | |
| Quantum_Shiraz | Hex | 5 | |
| epoj | ASCII | 5 | |
| GRUPO092026 | Modular Arithmetic 1 | 20 | |
| GRUPO092026 | Extended GCD | 20 | |
| JakovM | Base64 | 10 | |
| GRUPO092026 | Greatest Common Divisor | 15 | |
| Grupo04MatAplic | XOR Starter | 10 | |
| Quantum_Shiraz | ASCII | 5 | |
| janolav | Modular Arithmetic 2 | 20 | |
| Respectful_S33R | Hex | 5 | |
| Respectful_S33R | ASCII | 5 | |
| JOJAR | JSON in JSON | 40 | |
| Grupo04MatAplic | Modular Arithmetic 1 | 20 | |
| m4ttm00ny | Honest Verifier Zero Knowledge | 30 | |
| JakovM | Hex | 5 | |
| GRUPO092026 | Favourite byte | 20 | |
| JOJAR | RSA or HMAC? | 35 | |
| GRUPO092026 | XOR Properties | 15 | |
| 0vts1d3r | Great Snakes | 3 | |
| GRUPO092026 | XOR Starter | 10 | |
| GRUPO092026 | Bytes and Big Integers | 10 | |
| GRUPO092026 | Base64 | 10 | |
| JakovM | ASCII | 5 | |
| janolav | Modular Arithmetic 1 | 20 | |
| ys512 | Favourite byte | 20 | |
| abner_aq | Network Attacks | 5 |
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