| Date | User | Challenge | Score |
| Ehyoo1121 | Finding Flags | 2 | |
| vas_fountas | Point Negation | 10 | |
| Standard | JWT Sessions | 10 | |
| Standard | Token Appreciation | 5 | |
| mam1335 | Computing Shared Secrets | 30 | |
| Dimbls | Size and Basis | 15 | |
| panman4040 | Base64 | 10 | |
| mam1335 | Computing Public Values | 25 | |
| Kaguai | ECB Oracle | 60 | |
| Dimbls | Vectors | 10 | |
| mam1335 | Generators of Groups | 20 | |
| mam1335 | Working with Fields | 10 | |
| panman4040 | Hex | 5 | |
| mam1335 | Modulus Inutilis | 50 | |
| panman4040 | ASCII | 5 | |
| mam1335 | Salty | 20 | |
| panman4040 | Great Snakes | 3 | |
| leodavinci0591 | Flipping Cookie | 60 | |
| panman4040 | Finding Flags | 2 | |
| Kaguai | Passwords as Keys | 50 | |
| AchillaMan | You either know, XOR you don't | 30 | |
| Pompo | Modular Square Root | 35 | |
| Lev | Favourite byte | 20 | |
| kc1 | Generators of Groups | 20 | |
| kc1 | Working with Fields | 10 | |
| exoq | Passwords as Keys | 50 | |
| Kaguai | Modes of Operation Starter | 15 | |
| MUSKAND | Finding Flags | 2 | |
| Lev | XOR Properties | 15 | |
| Lev | XOR Starter | 10 | |
| darthmint | Hex | 5 | |
| Lev | Encoding Challenge | 40 | |
| darthmint | ASCII | 5 | |
| darthmint | Great Snakes | 3 | |
| darthmint | Finding Flags | 2 | |
| macuo | Hex | 5 | |
| hakka52 | Sharks on the Wire | 10 | |
| hakka52 | Secure Protocols | 5 | |
| exoq | Modes of Operation Starter | 15 | |
| hakka52 | JWT Secrets | 25 | |
| hakka52 | No Way JOSE | 20 | |
| Seventt | Pad Thai | 80 | |
| mam1335 | Manyprime | 40 | |
| exoq | Bringing It All Together | 50 | |
| Lev | Bytes and Big Integers | 10 | |
| Ruixiliu | Modular Inverting | 25 | |
| Ruixiliu | Modular Arithmetic 2 | 20 | |
| Ruixiliu | Modular Arithmetic 1 | 20 | |
| nirvanaK456 | Export-grade | 100 | |
| Ruixiliu | Extended GCD | 20 |
You are now level Current level