| Date | User | Challenge | Score |
| IAmCranky | Greatest Common Divisor | 15 | |
| kareemelfeel05 | Legendre Symbol | 35 | |
| fr_osted | Adrien's Signs | 80 | |
| FineShine | Bringing It All Together | 50 | |
| whytee08 | ProSign 3 | 100 | |
| kareemelfeel05 | Quadratic Residues | 25 | |
| maejikal | Bringing It All Together | 50 | |
| ilyastarcek | Everything is Still Big | 100 | |
| jinseo | Passwords as Keys | 50 | |
| kratta | Manyprime | 40 | |
| randomusername_0 | Parameter Injection | 60 | |
| jy0613 | Symmetry | 50 | |
| kratta | Salty | 20 | |
| khxjn | Symmetry | 50 | |
| mamiks | Passwords as Keys | 50 | |
| kareemelfeel05 | Modular Inverting | 25 | |
| kareemelfeel05 | Modular Arithmetic 2 | 20 | |
| kareemelfeel05 | Modular Arithmetic 1 | 20 | |
| ilyastarcek | Crossed Wires | 100 | |
| danosito | Bruce Schneier's Password | 100 | |
| kratta | Monoprime | 30 | |
| whytee08 | Curveball | 100 | |
| whytee08 | Smooth Criminal | 60 | |
| kareemelfeel05 | Extended GCD | 20 | |
| randomusername_0 | Deriving Symmetric Keys | 40 | |
| seungjae2023 | Bean Counter | 60 | |
| mamiks | Modes of Operation Starter | 15 | |
| ilyastarcek | Everything is Big | 70 | |
| jy0613 | Lazy CBC | 60 | |
| FineShine | Export-grade | 100 | |
| randomusername_0 | Computing Shared Secrets | 30 | |
| whytee08 | Montgomery's Ladder | 40 | |
| mamiks | Bringing It All Together | 50 | |
| ilyastarcek | Manyprime | 40 | |
| monem301005 | Gotta Go Fast | 40 | |
| kareemelfeel05 | Greatest Common Divisor | 15 | |
| randomusername_0 | Computing Public Values | 25 | |
| Honggg1020 | ECB CBC WTF | 55 | |
| kareemelfeel05 | You either know, XOR you don't | 30 | |
| Unifl0s | XOR Starter | 10 | |
| kareemelfeel05 | Favourite byte | 20 | |
| FineShine | Parameter Injection | 60 | |
| monem301005 | ASCII | 5 | |
| D1533 | MD0 | 80 | |
| danosito | Transparency | 50 | |
| kareemelfeel05 | XOR Properties | 15 | |
| randomusername_0 | Generators of Groups | 20 | |
| FineShine | Deriving Symmetric Keys | 40 | |
| danosito | SSH Keys | 35 | |
| khxjn | Lazy CBC | 60 |
You are now level Current level