| Date | User | Challenge | Score |
| genwitt | Chinese Remainder Theorem | 40 | |
| bloblog | Great Snakes | 3 | |
| Ralu47 | Hex | 5 | |
| Ralu47 | ASCII | 5 | |
| Qu1n7as | The Matrix Reloaded | 100 | |
| Ralu47 | Great Snakes | 3 | |
| Ralu47 | Finding Flags | 2 | |
| Jessiinfinteloop | Diffusion through Permutation | 30 | |
| mickster | XOR Starter | 10 | |
| lOkOtOdO | RSA Signatures | 25 | |
| genwitt | Modular Square Root | 35 | |
| DavidKrell | Lemur XOR | 40 | |
| genwitt | Legendre Symbol | 35 | |
| Bug1010 | ASCII | 5 | |
| Globules | Finding Flags | 2 | |
| mickster | Bytes and Big Integers | 10 | |
| loool1 | Base64 | 10 | |
| admani1 | Efficient Exchange | 50 | |
| admani1 | Curves and Logs | 40 | |
| genwitt | Quadratic Residues | 25 | |
| 1tsRyd3r | CTRIME | 70 | |
| loool1 | Hex | 5 | |
| loool1 | ASCII | 5 | |
| kernel_paniccc | ZKP Introduction | 5 | |
| genwitt | Modular Inverting | 25 | |
| mickster | Base64 | 10 | |
| genwitt | Modular Arithmetic 2 | 20 | |
| genwitt | Modular Arithmetic 1 | 20 | |
| genwitt | Extended GCD | 20 | |
| mickster | Hex | 5 | |
| sp1n0z4 | Real Eisenstein | 150 | |
| kernel_paniccc | You either know, XOR you don't | 30 | |
| mickster | ASCII | 5 | |
| loool1 | Great Snakes | 3 | |
| mickster | Great Snakes | 3 | |
| loool1 | Finding Flags | 2 | |
| mickster | Finding Flags | 2 | |
| s0jaku | Bringing It All Together | 50 | |
| genwitt | Greatest Common Divisor | 15 | |
| kernel_paniccc | Favourite byte | 20 | |
| aj1002 | Modular Inverting | 25 | |
| kernel_paniccc | XOR Properties | 15 | |
| Ali_son | XOR Starter | 10 | |
| bloblog | Finding Flags | 2 | |
| tropical_capy | Greatest Common Divisor | 15 | |
| DavidKrell | You either know, XOR you don't | 30 | |
| aj1002 | Modular Arithmetic 2 | 20 | |
| s0jaku | Diffusion through Permutation | 30 | |
| n26byte | XOR Starter | 10 | |
| 1tsRyd3r | Symmetry | 50 |
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