| Date | User | Challenge | Score |
| Gabriel_Jorea | You either know, XOR you don't | 30 | |
| vanessa_ivi | RSA Signatures | 25 | |
| Gabriel_Jorea | Favourite byte | 20 | |
| Gabriel_Jorea | XOR Properties | 15 | |
| Gabriel_Jorea | XOR Starter | 10 | |
| muratch | Hex | 5 | |
| Kevin_Lobo | XOR Starter | 10 | |
| SMBITHI | Quadratic Residues | 25 | |
| SMBITHI | Modular Inverting | 25 | |
| Marianjust5 | Symmetry | 50 | |
| Semjasa | XOR Properties | 15 | |
| SMBITHI | Modular Arithmetic 2 | 20 | |
| TRXAlpha | Bytes and Big Integers | 10 | |
| Marianjust5 | Flipping Cookie | 60 | |
| SMBITHI | Modular Arithmetic 1 | 20 | |
| zakyy | Encoding Challenge | 40 | |
| Gabriel_Jorea | Bytes and Big Integers | 10 | |
| SMBITHI | Extended GCD | 20 | |
| TyLion | Modular Square Root | 35 | |
| Gabriel_Jorea | Base64 | 10 | |
| SMBITHI | Greatest Common Divisor | 15 | |
| lauratugee | Quadratic Residues | 25 | |
| shachar125 | Computing Public Values | 25 | |
| TimoG | RSA Decryption | 20 | |
| charles_kabuga | Diffusion through Permutation | 30 | |
| Marianjust5 | ECB CBC WTF | 55 | |
| legenddontdie | Great Snakes | 3 | |
| Marianjust5 | ECB Oracle | 60 | |
| lauratugee | Modular Inverting | 25 | |
| CarsonB | Legendre Symbol | 35 | |
| lauratugee | Modular Arithmetic 2 | 20 | |
| Gabriel_Jorea | Hex | 5 | |
| lauratugee | Modular Arithmetic 1 | 20 | |
| lauratugee | Extended GCD | 20 | |
| mauust | Working with Fields | 10 | |
| Gabriel_Jorea | ASCII | 5 | |
| Gabriel_Jorea | Great Snakes | 3 | |
| lauratugee | Greatest Common Divisor | 15 | |
| hikaru820 | RSA Signatures | 25 | |
| legenddontdie | Finding Flags | 2 | |
| Gabriel_Jorea | Finding Flags | 2 | |
| seungjae2023 | Resisting Bruteforce | 10 | |
| Adriantec | Encoding Challenge | 40 | |
| d0577 | Keyed Permutations | 5 | |
| shachar125 | Generators of Groups | 20 | |
| CarsonB | Quadratic Residues | 25 | |
| xnb | Diffusion through Permutation | 30 | |
| eugenekun | You either know, XOR you don't | 30 | |
| CarsonB | Modular Inverting | 25 | |
| CarsonB | Modular Arithmetic 2 | 20 |
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