| Date | User | Challenge | Score |
| Nausheen | Base64 | 10 | |
| 3laahack | You either know, XOR you don't | 30 | |
| Nausheen | Hex | 5 | |
| ZiggyNorton | Structure of AES | 15 | |
| Nausheen | ASCII | 5 | |
| dubeyguy | Great Snakes | 3 | |
| Nausheen | Great Snakes | 3 | |
| Vlad_Valar | Adrien's Signs | 80 | |
| Nausheen | Finding Flags | 2 | |
| dubeyguy | Finding Flags | 2 | |
| walid_z1 | Scalar Multiplication | 35 | |
| PJ696769 | Bringing It All Together | 50 | |
| 3laahack | Favourite byte | 20 | |
| sambz | Bytes and Big Integers | 10 | |
| HeavyGoat | Modular Binomials | 80 | |
| Vlad_Valar | Successive Powers | 60 | |
| 3laahack | XOR Properties | 15 | |
| zDark | Bytes and Big Integers | 10 | |
| a5a7 | Salty | 20 | |
| walid_z1 | Point Addition | 30 | |
| sambz | Base64 | 10 | |
| 3laahack | XOR Starter | 10 | |
| nnyy64 | ZKP Introduction | 5 | |
| zDark | Base64 | 10 | |
| nnyy64 | Base64 | 10 | |
| Vlad_Valar | Chinese Remainder Theorem | 40 | |
| Anass67 | Quadratic Residues | 25 | |
| Amro_Hussein | Modulus Inutilis | 50 | |
| sambz | Hex | 5 | |
| Vlad_Valar | Modular Square Root | 35 | |
| b1b00www | No Random, No Bias | 120 | |
| sambz | ASCII | 5 | |
| Anass67 | Modular Inverting | 25 | |
| Anass67 | Modular Arithmetic 2 | 20 | |
| Anass67 | Modular Arithmetic 1 | 20 | |
| Anass67 | Extended GCD | 20 | |
| sambz | Great Snakes | 3 | |
| ThinkInTheBox | No Random, No Bias | 120 | |
| nnyy64 | Hex | 5 | |
| sambz | Finding Flags | 2 | |
| mohammedalshalab | Extended GCD | 20 | |
| mohammedalshalab | Greatest Common Divisor | 15 | |
| g17123 | Quadratic Residues | 25 | |
| nnyy64 | ASCII | 5 | |
| nnyy64 | Network Attacks | 5 | |
| mohammedalshalab | You either know, XOR you don't | 30 | |
| mohammedalshalab | Favourite byte | 20 | |
| g17123 | Modular Inverting | 25 | |
| mohammedalshalab | XOR Properties | 15 | |
| mohammedalshalab | XOR Starter | 10 |
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