| Date | User | Challenge | Score |
| nadavk100 | Structure of AES | 15 | |
| Efty | ASCII | 5 | |
| sadiasd125 | ASCII | 5 | |
| sadiasd125 | Great Snakes | 3 | |
| Efty | Great Snakes | 3 | |
| sadiasd125 | Finding Flags | 2 | |
| Efty | Finding Flags | 2 | |
| afmoroz | Modular Exponentiation | 10 | |
| OKlllng | CERTainly not | 30 | |
| nadavk100 | Resisting Bruteforce | 10 | |
| lid | Bruce Schneier's Password | 100 | |
| Fahmidur_Rahman | Finding Flags | 2 | |
| Derimoner | Chinese Remainder Theorem | 40 | |
| A2RU | Bruce Schneier's Password | 100 | |
| nadavk100 | Keyed Permutations | 5 | |
| Shr0ud | Curves and Logs | 40 | |
| A2RU | Bruce Schneier's Password: Part 2 | 250 | |
| Aloutrance | Generators of Groups | 20 | |
| eithan_hotam | RSA Decryption | 20 | |
| eithan_hotam | Private Keys | 20 | |
| eithan_hotam | Public Keys | 15 | |
| awalhossainasif | Bytes and Big Integers | 10 | |
| eithan_hotam | Modular Exponentiation | 10 | |
| Tulgaa | Cofactor Cofantasy | 150 | |
| youssef_reda | Legendre Symbol | 35 | |
| EvelynMaria | Favourite byte | 20 | |
| awalhossainasif | Base64 | 10 | |
| nbrthx | Quadratic Residues | 25 | |
| spinflipper31415 | Modular Binomials | 80 | |
| OKlllng | Privacy-Enhanced Mail? | 25 | |
| rama2130 | Parameter Injection | 60 | |
| Liguha | Modular Binomials | 80 | |
| awalhossainasif | Hex | 5 | |
| awalhossainasif | ASCII | 5 | |
| awalhossainasif | Great Snakes | 3 | |
| lid | Everything is Big | 70 | |
| awalhossainasif | Finding Flags | 2 | |
| nbrthx | Modular Inverting | 25 | |
| molator | Bytes and Big Integers | 10 | |
| EvelynMaria | XOR Properties | 15 | |
| youssef_reda | Quadratic Residues | 25 | |
| nbrthx | Modular Arithmetic 2 | 20 | |
| cplex | Greatest Common Divisor | 15 | |
| AT42110 | Parameter Injection | 60 | |
| wiknwo | Quadratic Residues | 25 | |
| kayshamoon | RSA Decryption | 20 | |
| nbrthx | Modular Arithmetic 1 | 20 | |
| chromeuser | Bytes and Big Integers | 10 | |
| kayshamoon | Private Keys | 20 | |
| EvelynMaria | XOR Starter | 10 |
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