| Date | User | Challenge | Score |
| AxeliT0 | Modular Binomials | 80 | |
| hanahiennguyen | JWT Sessions | 10 | |
| Guzlyach | Greatest Common Divisor | 15 | |
| 010001000101001 | Deriving Symmetric Keys | 40 | |
| Spartan117 | Base64 | 10 | |
| hanahiennguyen | Token Appreciation | 5 | |
| AxeliT0 | Adrien's Signs | 80 | |
| AxeliT0 | Successive Powers | 60 | |
| adrianps93 | Point Negation | 10 | |
| bobiealice | Modulus Inutilis | 50 | |
| administrator___ | Modes of Operation Starter | 15 | |
| zeefromzee | Chinese Remainder Theorem | 40 | |
| Amro_Hussein | Smooth Criminal | 60 | |
| MCY | ProSign 3 | 100 | |
| AxeliT0 | Chinese Remainder Theorem | 40 | |
| AxeliT0 | Modular Square Root | 35 | |
| adrianps93 | Background Reading | 5 | |
| AxeliT0 | Legendre Symbol | 35 | |
| KuyangKutai | Bytes and Big Integers | 10 | |
| AxeliT0 | Quadratic Residues | 25 | |
| Blixow | Find the Lattice | 100 | |
| lunkes | Favourite byte | 20 | |
| lgrr | Finding Flags | 2 | |
| Koalko | Adrien's Signs | 80 | |
| Spartan117 | Hex | 5 | |
| bobiealice | Salty | 20 | |
| mohatem06 | Monoprime | 30 | |
| adrianps93 | Computing Shared Secrets | 30 | |
| aalishaf88 | Favourite byte | 20 | |
| Spartan117 | ASCII | 5 | |
| Amro_Hussein | Point Negation | 10 | |
| Janarthanan | XOR Properties | 15 | |
| adrianps93 | Computing Public Values | 25 | |
| administrator___ | Bringing It All Together | 50 | |
| 010001000101001 | Computing Shared Secrets | 30 | |
| adrianps93 | Working with Fields | 10 | |
| yuzu | Encoding Challenge | 40 | |
| KuyangKutai | Base64 | 10 | |
| Amro_Hussein | Background Reading | 5 | |
| alzzz | Everything is Still Big | 100 | |
| mohatem06 | Factoring | 15 | |
| bobiealice | Manyprime | 40 | |
| hanahiennguyen | Collider | 50 | |
| 010001000101001 | Computing Public Values | 25 | |
| tyluudinh | ECB CBC WTF | 55 | |
| tyluudinh | Flipping Cookie | 60 | |
| tyluudinh | Lazy CBC | 60 | |
| tyluudinh | Triple DES | 60 | |
| Guzlyach | You either know, XOR you don't | 30 | |
| 010001000101001 | Generators of Groups | 20 |
You are now level Current level