| Date | User | Challenge | Score |
| wan2405 | XOR Properties | 15 | |
| archex | XOR Starter | 10 | |
| 0xhassan_ash | Diffusion through Permutation | 30 | |
| wan2405 | XOR Starter | 10 | |
| Lizzapher | Favourite byte | 20 | |
| wan2405 | Bytes and Big Integers | 10 | |
| dec256 | Greatest Common Divisor | 15 | |
| 0xhassan_ash | Confusion through Substitution | 25 | |
| gyrenkovlad233 | Moving Problems | 150 | |
| vstav | Favourite byte | 20 | |
| gyrenkovlad233 | ProSign 3 | 100 | |
| gyrenkovlad233 | Curveball | 100 | |
| gyrenkovlad233 | Smooth Criminal | 60 | |
| gyrenkovlad233 | Montgomery's Ladder | 40 | |
| wan2405 | Base64 | 10 | |
| gyrenkovlad233 | Efficient Exchange | 50 | |
| gyrenkovlad233 | Curves and Logs | 40 | |
| gyrenkovlad233 | Scalar Multiplication | 35 | |
| gyrenkovlad233 | Point Addition | 30 | |
| gyrenkovlad233 | Point Negation | 10 | |
| gyrenkovlad233 | Background Reading | 5 | |
| gyrenkovlad233 | Export-grade | 100 | |
| gyrenkovlad233 | Parameter Injection | 60 | |
| gyrenkovlad233 | Deriving Symmetric Keys | 40 | |
| archex | Bytes and Big Integers | 10 | |
| gyrenkovlad233 | Computing Shared Secrets | 30 | |
| gyrenkovlad233 | Computing Public Values | 25 | |
| vstav | XOR Properties | 15 | |
| gyrenkovlad233 | Generators of Groups | 20 | |
| gyrenkovlad233 | Working with Fields | 10 | |
| gyrenkovlad233 | Modulus Inutilis | 50 | |
| gyrenkovlad233 | Salty | 20 | |
| gyrenkovlad233 | Manyprime | 40 | |
| gyrenkovlad233 | Monoprime | 30 | |
| gyrenkovlad233 | Factoring | 15 | |
| gyrenkovlad233 | RSA Signatures | 25 | |
| 0xhassan_ash | Round Keys | 20 | |
| gyrenkovlad233 | RSA Decryption | 20 | |
| gyrenkovlad233 | Private Keys | 20 | |
| gyrenkovlad233 | Euler's Totient | 20 | |
| gyrenkovlad233 | Public Keys | 15 | |
| gyrenkovlad233 | Modular Exponentiation | 10 | |
| bilal22 | ProSign 3 | 100 | |
| gyrenkovlad233 | Bean Counter | 60 | |
| gyrenkovlad233 | Symmetry | 50 | |
| gyrenkovlad233 | Flipping Cookie | 60 | |
| gyrenkovlad233 | ECB CBC WTF | 55 | |
| gyrenkovlad233 | ECB Oracle | 60 | |
| gyrenkovlad233 | Passwords as Keys | 50 | |
| gyrenkovlad233 | Modes of Operation Starter | 15 |
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