| Date | User | Challenge | Score |
| cultoindigo | Great Snakes | 3 | |
| QWXXHSX123 | Twisted CSIDH Isogenies | 70 | |
| cultoindigo | Finding Flags | 2 | |
| Rohankhatwani | No Way JOSE | 20 | |
| efuentes41664 | Background Reading | 5 | |
| Rohankhatwani | JWT Sessions | 10 | |
| Rohankhatwani | Token Appreciation | 5 | |
| Rohankhatwani | Jack's Birthday Confusion | 30 | |
| efuentes41664 | Export-grade | 100 | |
| Rohankhatwani | Jack's Birthday Hash | 20 | |
| efuentes41664 | Parameter Injection | 60 | |
| solangeandraca | Finding Flags | 2 | |
| Rohankhatwani | Cofactor Cofantasy | 150 | |
| skylight | ECB Oracle | 60 | |
| Rohankhatwani | Unencryptable | 125 | |
| efuentes41664 | Deriving Symmetric Keys | 40 | |
| zyq | SSH Keys | 35 | |
| Rohankhatwani | Roll your Own | 125 | |
| efuentes41664 | Computing Shared Secrets | 30 | |
| efuentes41664 | Computing Public Values | 25 | |
| Rohankhatwani | No Way Back Home | 100 | |
| efuentes41664 | Generators of Groups | 20 | |
| Karkinos | You either know, XOR you don't | 30 | |
| Rohankhatwani | Bean Counter | 60 | |
| Rohankhatwani | Symmetry | 50 | |
| Igotherpeas | Finding Flags | 2 | |
| Rohankhatwani | Triple DES | 60 | |
| Rohankhatwani | Lazy CBC | 60 | |
| Rohankhatwani | Flipping Cookie | 60 | |
| Rohankhatwani | ECB CBC WTF | 55 | |
| Rohankhatwani | Transparency | 50 | |
| VxRabbit | Deriving Symmetric Keys | 40 | |
| Rohankhatwani | SSH Keys | 35 | |
| hienthao123 | Efficient Exchange | 50 | |
| Rohankhatwani | CERTainly not | 30 | |
| Rohankhatwani | Privacy-Enhanced Mail? | 25 | |
| Rohankhatwani | Encoding Challenge | 40 | |
| efuentes41664 | Working with Fields | 10 | |
| KaitlynN | Base64 | 10 | |
| mdrk | Great Snakes | 3 | |
| VxRabbit | Computing Shared Secrets | 30 | |
| KaitlynN | Hex | 5 | |
| Rohankhatwani | Network Attacks | 5 | |
| VxRabbit | Computing Public Values | 25 | |
| efuentes41664 | Modulus Inutilis | 50 | |
| efuentes41664 | Salty | 20 | |
| Aut0 | XOR Starter | 10 | |
| VxRabbit | Generators of Groups | 20 | |
| efuentes41664 | Manyprime | 40 | |
| efuentes41664 | Monoprime | 30 |
You are now level Current level