| Date | User | Challenge | Score |
| fr_osted | Modular Arithmetic 2 | 20 | |
| Rakhaz | Adrien's Signs | 80 | |
| OechxD | Symmetry | 50 | |
| Snacky | Legendre Symbol | 35 | |
| janausername | Base64 | 10 | |
| zhanega | Base64 | 10 | |
| ByGouDex | Efficient Exchange | 50 | |
| ByGouDex | Curves and Logs | 40 | |
| OechxD | Flipping Cookie | 60 | |
| ByGouDex | Scalar Multiplication | 35 | |
| ByGouDex | Point Addition | 30 | |
| Ikamar | Modular Binomials | 80 | |
| ByGouDex | Point Negation | 10 | |
| ByGouDex | Background Reading | 5 | |
| FERNANKING | ECB Oracle | 60 | |
| fr_osted | Modular Arithmetic 1 | 20 | |
| OechxD | ECB CBC WTF | 55 | |
| User1029384756 | Great Snakes | 3 | |
| User1029384756 | Finding Flags | 2 | |
| fr_osted | Extended GCD | 20 | |
| emranahmed | Modular Binomials | 80 | |
| HL4M | Finding Flags | 2 | |
| lhowariy | Legendre Symbol | 35 | |
| kahush1234567 | Extended GCD | 20 | |
| emranahmed | Adrien's Signs | 80 | |
| kahush1234567 | Greatest Common Divisor | 15 | |
| ByGouDex | Quadratic Residues | 25 | |
| emranahmed | Chinese Remainder Theorem | 40 | |
| ruslanjon | Great Snakes | 3 | |
| 0x00315732 | Bytes and Big Integers | 10 | |
| Ridhi0603 | Bytes and Big Integers | 10 | |
| ruslanjon | Finding Flags | 2 | |
| kun | Favourite byte | 20 | |
| Rakhaz | Chinese Remainder Theorem | 40 | |
| kun | XOR Properties | 15 | |
| Nunya777 | Network Attacks | 5 | |
| gemini | Manyprime | 40 | |
| gemini | Monoprime | 30 | |
| Rakhaz | Modular Square Root | 35 | |
| lhowariy | Quadratic Residues | 25 | |
| FERNANKING | Modes of Operation Starter | 15 | |
| kun | XOR Starter | 10 | |
| gemini | Factoring | 15 | |
| AKei31 | Transparency | 50 | |
| nataliaodhiambo | Adrien's Signs | 80 | |
| Ikamar | Adrien's Signs | 80 | |
| Rakhaz | Legendre Symbol | 35 | |
| gemini | RSA Signatures | 25 | |
| mochaowo | Adrien's Signs | 80 | |
| lerequin | RSA Decryption | 20 |
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