| Date | User | Challenge | Score |
| blesingsung | Confusion through Substitution | 25 | |
| Janpratts | Greatest Common Divisor | 15 | |
| johan_h4ck5 | Great Snakes | 3 | |
| Ky_rie12 | Modular Exponentiation | 10 | |
| Ai_cy42 | Private Keys | 20 | |
| vizz | Point Negation | 10 | |
| Ai_cy42 | Euler's Totient | 20 | |
| Azalea | Bean Counter | 60 | |
| Ky_rie12 | Bean Counter | 60 | |
| Ky_rie12 | Symmetry | 50 | |
| Ai_cy42 | Public Keys | 15 | |
| Ky_rie12 | Flipping Cookie | 60 | |
| blesingsung | Round Keys | 20 | |
| johan_h4ck5 | Finding Flags | 2 | |
| Ai_cy42 | Modular Exponentiation | 10 | |
| Azalea | Passwords as Keys | 50 | |
| P3ekaboo | Keyed Permutations | 5 | |
| vizz | Background Reading | 5 | |
| blesingsung | Structure of AES | 15 | |
| blesingsung | Resisting Bruteforce | 10 | |
| Ai_cy42 | Bean Counter | 60 | |
| ngawipride67 | Everything is Big | 70 | |
| Ai_cy42 | Symmetry | 50 | |
| Ai_cy42 | Flipping Cookie | 60 | |
| Ai_cy42 | ECB CBC WTF | 55 | |
| Azalea | Public Keys | 15 | |
| Ky_rie12 | ECB CBC WTF | 55 | |
| Ai_cy42 | ECB Oracle | 60 | |
| Ky_rie12 | ECB Oracle | 60 | |
| Ai_cy42 | Passwords as Keys | 50 | |
| blesingsung | Keyed Permutations | 5 | |
| jonnytang | Gram Schmidt | 30 | |
| Azalea | Symmetry | 50 | |
| Ai_cy42 | Modes of Operation Starter | 15 | |
| Azalea | Flipping Cookie | 60 | |
| Azalea | ECB CBC WTF | 55 | |
| blesingsung | Network Attacks | 5 | |
| RakaWardana | Salty | 20 | |
| RakaWardana | Factoring | 15 | |
| RakaWardana | RSA Signatures | 25 | |
| timesure | Curves and Logs | 40 | |
| RakaWardana | Passwords as Keys | 50 | |
| ngawipride67 | Modulus Inutilis | 50 | |
| grazkaa | Background Reading | 5 | |
| CrazyFoX | ASCII | 5 | |
| blesingsung | Modular Binomials | 80 | |
| blesingsung | Adrien's Signs | 80 | |
| syafyraha | Smooth Criminal | 60 | |
| blesingsung | Chinese Remainder Theorem | 40 | |
| blesingsung | Modular Square Root | 35 |
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