| Date | User | Challenge | Score |
| Arsif | Finding Flags | 2 | |
| Marchet_91 | XOR Starter | 10 | |
| W0lf_19S | Deriving Symmetric Keys | 40 | |
| KrunkerIO | Quadratic Residues | 25 | |
| jonnytang | Bringing It All Together | 50 | |
| spartan8806 | Armory | 100 | |
| rev4ever | XOR Starter | 10 | |
| sp1n0z4 | Generators of Groups | 20 | |
| reny | Static Client 2 | 120 | |
| rev4ever | Bytes and Big Integers | 10 | |
| charybdis | What's a Lattice? | 40 | |
| sp1n0z4 | Working with Fields | 10 | |
| Sapphoneix | XOR Properties | 15 | |
| cyk0sure | Flipping Cookie | 60 | |
| 0xN1GHTBYTE | Base64 | 10 | |
| lomichael | XOR Starter | 10 | |
| rev4ever | Hex | 5 | |
| lomichael | Bytes and Big Integers | 10 | |
| rev4ever | ASCII | 5 | |
| origabai | Ellipse Curve Cryptography | 125 | |
| rev4ever | Great Snakes | 3 | |
| KrunkerIO | Modular Inverting | 25 | |
| lomichael | Base64 | 10 | |
| sp1n0z4 | Modulus Inutilis | 50 | |
| AlarmW | Parameter Injection | 60 | |
| AlarmW | Manyprime | 40 | |
| sp1n0z4 | Salty | 20 | |
| sp1n0z4 | Manyprime | 40 | |
| sp1n0z4 | Monoprime | 30 | |
| AlarmW | Export-grade | 100 | |
| knkl384038 | Efficient Exchange | 50 | |
| sp1n0z4 | Factoring | 15 | |
| waaehh | Chinese Remainder Theorem | 40 | |
| sp1n0z4 | RSA Signatures | 25 | |
| AlarmW | Salty | 20 | |
| Raodaz | Moving Problems | 150 | |
| knkl384038 | Curves and Logs | 40 | |
| SavvyDevil | Greatest Common Divisor | 15 | |
| givvl | Passwords as Keys | 50 | |
| sp1n0z4 | Broken RSA | 100 | |
| lauragarcia66 | Curveball | 100 | |
| Raodaz | ProSign 3 | 100 | |
| mzaboli2000 | ASCII | 5 | |
| neitoroxin | Monoprime | 30 | |
| knkl384038 | Scalar Multiplication | 35 | |
| mzaboli2000 | Great Snakes | 3 | |
| Double | Modular Inverting | 25 | |
| Raodaz | Curveball | 100 | |
| Raodaz | Smooth Criminal | 60 | |
| mzaboli2000 | Finding Flags | 2 |
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