| Date | User | Challenge | Score |
| MrGl1tchNu11 | Bringing It All Together | 50 | |
| sixsquareAI | Put a ring on it (ECSC 2023 (Norway)) | 0 | |
| vinc3nt | Encoding Challenge | 40 | |
| jonnytang | Curves and Logs | 40 | |
| chGao | Base64 | 10 | |
| MrGl1tchNu11 | Diffusion through Permutation | 30 | |
| Ayuwandira | Generators of Groups | 20 | |
| OsadchiyIvan | Smooth Criminal | 60 | |
| sixsquareAI | Leet Universe (ImaginaryCTF (Daily)) | 0 | |
| chGao | Hex | 5 | |
| OsadchiyIvan | Montgomery's Ladder | 40 | |
| chGao | ASCII | 5 | |
| chGao | Great Snakes | 3 | |
| OsadchiyIvan | Efficient Exchange | 50 | |
| OsadchiyIvan | Curves and Logs | 40 | |
| chGao | Finding Flags | 2 | |
| OsadchiyIvan | Scalar Multiplication | 35 | |
| OsadchiyIvan | Point Addition | 30 | |
| OsadchiyIvan | Point Negation | 10 | |
| OsadchiyIvan | Background Reading | 5 | |
| 6h05t3d | Great Snakes | 3 | |
| 6h05t3d | Finding Flags | 2 | |
| 18758167444 | Finding Flags | 2 | |
| sandyhacky | Structure of AES | 15 | |
| sandyhacky | Resisting Bruteforce | 10 | |
| sandyhacky | Keyed Permutations | 5 | |
| vinc3nt | Bytes and Big Integers | 10 | |
| S1Gna1 | Great Snakes | 3 | |
| S1Gna1 | Finding Flags | 2 | |
| Ayuwandira | Working with Fields | 10 | |
| sandyhacky | Modular Inverting | 25 | |
| sandyhacky | Modular Arithmetic 2 | 20 | |
| vinc3nt | Base64 | 10 | |
| sandyhacky | Modular Arithmetic 1 | 20 | |
| Joseabd507 | Passwords as Keys | 50 | |
| sandyhacky | Extended GCD | 20 | |
| vinc3nt | Hex | 5 | |
| Joseabd507 | Modes of Operation Starter | 15 | |
| Joseabd507 | Bringing It All Together | 50 | |
| vinc3nt | ASCII | 5 | |
| hammerbro4567 | You either know, XOR you don't | 30 | |
| Joseabd507 | Diffusion through Permutation | 30 | |
| Joseabd507 | Confusion through Substitution | 25 | |
| Joseabd507 | Round Keys | 20 | |
| Joseabd507 | Structure of AES | 15 | |
| vinc3nt | Network Attacks | 5 | |
| sandyhacky | Greatest Common Divisor | 15 | |
| Joseabd507 | Resisting Bruteforce | 10 | |
| cyberri | Armory | 100 | |
| vinc3nt | Great Snakes | 3 |
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