| Date | User | Challenge | Score |
| MeongGanas | Modular Arithmetic 1 | 20 | |
| MeongGanas | Extended GCD | 20 | |
| jkendall | Diffusion through Permutation | 30 | |
| MeongGanas | Greatest Common Divisor | 15 | |
| heeheeheehar | Montgomery Curves | 30 | |
| cavazinf | Resisting Bruteforce | 10 | |
| cavazinf | Keyed Permutations | 5 | |
| 3b7amidd | Extended GCD | 20 | |
| Hector6904 | Modular Inverting | 25 | |
| sveta_shumovai | Endless Emails | 150 | |
| heeheeheehar | Image Point Arithmetic | 30 | |
| cavazinf | Modular Binomials | 80 | |
| cxyyzz | Finding Flags | 2 | |
| sowon | Encoding Challenge | 40 | |
| heeheeheehar | Where's the Supersingular Curve | 25 | |
| learnercryptohac | Passwords as Keys | 50 | |
| rs_sku | XOR Properties | 15 | |
| annaliisa | XOR Starter | 10 | |
| 0xAnwar | Passwords as Keys | 50 | |
| annaliisa | Bytes and Big Integers | 10 | |
| kjs36202 | LWE Background | 5 | |
| heeheeheehar | The j-invariant | 20 | |
| Spdiey | Bytes and Big Integers | 10 | |
| randomusername_0 | XOR Starter | 10 | |
| cavazinf | Adrien's Signs | 80 | |
| Spdiey | Base64 | 10 | |
| annaliisa | Base64 | 10 | |
| Ashish_Nagar496 | You either know, XOR you don't | 30 | |
| Ashish_Nagar496 | Favourite byte | 20 | |
| annaliisa | Hex | 5 | |
| kjs36202 | Gaussian Reduction | 50 | |
| annaliisa | ASCII | 5 | |
| nk0 | Abelian SIDH | 90 | |
| Ashish_Nagar496 | XOR Properties | 15 | |
| annaliisa | Great Snakes | 3 | |
| notmyproblemm | Blinding Light | 120 | |
| annaliisa | Finding Flags | 2 | |
| sutonchoko | Curveball | 100 | |
| notmyproblemm | Bespoke Padding | 100 | |
| Spdiey | Hex | 5 | |
| notmyproblemm | Null or Never | 100 | |
| Taslimun | Modular Exponentiation | 10 | |
| Ashish_Nagar496 | XOR Starter | 10 | |
| notmyproblemm | Signing Server | 60 | |
| cavazinf | Chinese Remainder Theorem | 40 | |
| notmyproblemm | Parameter Injection | 60 | |
| notmyproblemm | The Matrix | 75 | |
| notmyproblemm | Static Client | 100 | |
| cavazinf | Modular Square Root | 35 | |
| notmyproblemm | Export-grade | 100 |
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