| Date | User | Challenge | Score |
| akshar9018 | Euler's Totient | 20 | |
| Vaycordiam | Base64 | 10 | |
| akshar9018 | Public Keys | 15 | |
| akshar9018 | Modular Exponentiation | 10 | |
| christianjosephs | ASCII | 5 | |
| Vaycordiam | Hex | 5 | |
| L3Ch3NaPaN | Infinite Descent | 50 | |
| Mateusz_Kowalski | Crossed Wires | 100 | |
| Vaycordiam | ASCII | 5 | |
| akshar9018 | Modular Binomials | 80 | |
| li_na | Great Snakes | 3 | |
| mjqa02 | Computing Shared Secrets | 30 | |
| drzejus | Static Client | 100 | |
| Mahmoud7 | You either know, XOR you don't | 30 | |
| ispo | Endless Emails | 150 | |
| keatlegile | Base64 | 10 | |
| Liuud | Great Snakes | 3 | |
| Natchuz | WOTS Up | 75 | |
| akshar9018 | Adrien's Signs | 80 | |
| Liuud | Finding Flags | 2 | |
| IkosiX | Base64 | 10 | |
| wendy4747 | Modular Inverting | 25 | |
| Mateusz_Kowalski | Everything is Big | 70 | |
| alephnvll | Base64 | 10 | |
| akshar9018 | Chinese Remainder Theorem | 40 | |
| akshar9018 | Modular Square Root | 35 | |
| B00177170 | Factoring | 15 | |
| kuso21 | Export-grade | 100 | |
| akshar9018 | Legendre Symbol | 35 | |
| wendy4747 | Modular Arithmetic 2 | 20 | |
| mjqa02 | Computing Public Values | 25 | |
| wendy4747 | Modular Arithmetic 1 | 20 | |
| Kritio | Modular Binomials | 80 | |
| alephnvll | Hex | 5 | |
| wendy4747 | Extended GCD | 20 | |
| akshar9018 | Quadratic Residues | 25 | |
| lireupt | Base64 | 10 | |
| akshar9018 | Modular Inverting | 25 | |
| akshar9018 | Modular Arithmetic 2 | 20 | |
| akshar9018 | Modular Arithmetic 1 | 20 | |
| IkosiX | Hex | 5 | |
| alephnvll | ASCII | 5 | |
| keatlegile | Hex | 5 | |
| aashnaS | Bringing It All Together | 50 | |
| mjqa02 | Generators of Groups | 20 | |
| lireupt | Hex | 5 | |
| DiscreteSucks | Adrien's Signs | 80 | |
| alephnvll | Great Snakes | 3 | |
| kuso21 | Parameter Injection | 60 | |
| akshar9018 | Extended GCD | 20 |
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