| Date | User | Challenge | Score |
| RamKass | Curves and Logs | 40 | |
| RamKass | Scalar Multiplication | 35 | |
| a18 | Quadratic Residues | 25 | |
| tagyu | Base64 | 10 | |
| RamKass | Point Addition | 30 | |
| RamKass | Point Negation | 10 | |
| RamKass | Background Reading | 5 | |
| hanemile | Flipping Cookie | 60 | |
| RamKass | Export-grade | 100 | |
| RamKass | Parameter Injection | 60 | |
| RamKass | Deriving Symmetric Keys | 40 | |
| RamKass | Computing Shared Secrets | 30 | |
| RamKass | Computing Public Values | 25 | |
| RamKass | Generators of Groups | 20 | |
| potatonir | You either know, XOR you don't | 30 | |
| RamKass | Working with Fields | 10 | |
| RamKass | Modulus Inutilis | 50 | |
| RamKass | Salty | 20 | |
| RamKass | Manyprime | 40 | |
| PeterCampbell | Diffusion through Permutation | 30 | |
| RamKass | Monoprime | 30 | |
| Kuteto | ASCII | 5 | |
| wqe___ | Moving Problems | 150 | |
| RamKass | Factoring | 15 | |
| RamKass | RSA Signatures | 25 | |
| RamKass | RSA Decryption | 20 | |
| RamKass | Private Keys | 20 | |
| RamKass | Euler's Totient | 20 | |
| RamKass | Public Keys | 15 | |
| RamKass | Modular Exponentiation | 10 | |
| RamKass | Bean Counter | 60 | |
| RamKass | Symmetry | 50 | |
| RamKass | Flipping Cookie | 60 | |
| RamKass | ECB CBC WTF | 55 | |
| RamKass | ECB Oracle | 60 | |
| Scebob | Quadratic Residues | 25 | |
| RamKass | Passwords as Keys | 50 | |
| Kuteto | Great Snakes | 3 | |
| RamKass | Modes of Operation Starter | 15 | |
| RamKass | Bringing It All Together | 50 | |
| hanemile | ECB Oracle | 60 | |
| RamKass | Diffusion through Permutation | 30 | |
| RamKass | Confusion through Substitution | 25 | |
| RamKass | Round Keys | 20 | |
| RamKass | Structure of AES | 15 | |
| potatonir | Favourite byte | 20 | |
| RamKass | Resisting Bruteforce | 10 | |
| RamKass | Keyed Permutations | 5 | |
| a18 | Modular Inverting | 25 | |
| ad1in54 | Salty | 20 |
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