| Date | User | Challenge | Score |
| eyad1 | Finding Flags | 2 | |
| N3DOFFF | Round Keys | 20 | |
| Anti_ | Parameter Injection | 60 | |
| F4lk3 | Bytes and Big Integers | 10 | |
| galangAryaNegara | Moving Problems | 150 | |
| galangAryaNegara | ProSign 3 | 100 | |
| N3DOFFF | Structure of AES | 15 | |
| galangAryaNegara | Curveball | 100 | |
| galangAryaNegara | Smooth Criminal | 60 | |
| galangAryaNegara | Montgomery's Ladder | 40 | |
| galangAryaNegara | Efficient Exchange | 50 | |
| josephs | Common Ground | 75 | |
| N3DOFFF | Resisting Bruteforce | 10 | |
| galangAryaNegara | Curves and Logs | 40 | |
| Baldy1990 | XOR Starter | 10 | |
| galangAryaNegara | Scalar Multiplication | 35 | |
| N3DOFFF | Keyed Permutations | 5 | |
| galangAryaNegara | Point Addition | 30 | |
| galangAryaNegara | Point Negation | 10 | |
| aakjwndk | RSA Decryption | 20 | |
| Lorassou | You either know, XOR you don't | 30 | |
| F4lk3 | Base64 | 10 | |
| maksmiha | Modular Square Root | 35 | |
| aakjwndk | Private Keys | 20 | |
| lydxn | Rhetorical Oracle 2 | 150 | |
| Remora | XOR Starter | 10 | |
| kiva | Modular Inverting | 25 | |
| aakjwndk | Euler's Totient | 20 | |
| zoulfee | ASCII | 5 | |
| Wolfdsea77 | Exceptional Curves | 100 | |
| aakjwndk | Public Keys | 15 | |
| acorrege | Modular Square Root | 35 | |
| DavidTruong | Common Ground | 75 | |
| anbarbon | Decrypting TLS 1.2 | 30 | |
| flipflopmlynar | Modular Arithmetic 2 | 20 | |
| MathisR | Base64 | 10 | |
| NiNkaM | XOR Starter | 10 | |
| MathisR | Hex | 5 | |
| aakjwndk | Modular Exponentiation | 10 | |
| Percolate | Lemur XOR | 40 | |
| kiva | Modular Arithmetic 2 | 20 | |
| majka_pav | Extended GCD | 20 | |
| kajkos | Extended GCD | 20 | |
| MathisR | ASCII | 5 | |
| bluecat | Modular Inverting | 25 | |
| KZOrP4Vl | Unencryptable | 125 | |
| vagner | Encoding Challenge | 40 | |
| bluecat | Modular Arithmetic 2 | 20 | |
| MathisR | Great Snakes | 3 | |
| halliana | Rhetorical Oracle 2 | 150 |
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