| Date | User | Challenge | Score |
| Prashant12 | The Good, The Pad, The Ugly | 100 | |
| RuHaAn49 | Smooth Criminal | 60 | |
| CircusRat | Modular Inverting | 25 | |
| RuHaAn49 | Exceptional Curves | 100 | |
| ujjwal99 | The Good, The Pad, The Ugly | 100 | |
| RuHaAn49 | Micro Transmissions | 120 | |
| nixu_chiller | Structure of AES | 15 | |
| gwpro | Backpack Cryptography | 120 | |
| poppinkjason | Greatest Common Divisor | 15 | |
| subhashanapa | Oh SNAP | 120 | |
| RuHaAn49 | Elliptic Nodes | 150 | |
| subhashanapa | Dancing Queen | 120 | |
| Prashant12 | Triple DES | 60 | |
| met0nmask | XOR Properties | 15 | |
| Prashant12 | Lazy CBC | 60 | |
| Prashant12 | Flipping Cookie | 60 | |
| RuHaAn49 | Moving Problems | 150 | |
| tergsukhee | Euler's Totient | 20 | |
| subhashanapa | Stream of Consciousness | 80 | |
| ysned | Bytes and Big Integers | 10 | |
| RuHaAn49 | Edwards Goes Degenerate | 100 | |
| Prashant12 | ECB Oracle | 60 | |
| ShuklaJi2130 | ECB Oracle | 60 | |
| Prashant12 | ECB CBC WTF | 55 | |
| Ujjaini | A True Genus | 175 | |
| subhashanapa | Logon Zero | 80 | |
| Pooja_choudhary | No Difference | 175 | |
| RuHaAn49 | No Random, No Bias | 120 | |
| subhashanapa | CTRIME | 70 | |
| RuHaAn49 | ProSign 3 | 100 | |
| subhashanapa | Triple DES | 60 | |
| RuHaAn49 | Curveball | 100 | |
| subhashanapa | Lazy CBC | 60 | |
| tergsukhee | Public Keys | 15 | |
| subhashanapa | Flipping Cookie | 60 | |
| subhashanapa | ECB CBC WTF | 55 | |
| Ujjaini | CSIDH Key Exchange | 90 | |
| Deepika24 | Gotta Go Fast | 40 | |
| victor123 | Great Snakes | 3 | |
| ShuklaJi2130 | Passwords as Keys | 50 | |
| ShuklaJi2130 | Modes of Operation Starter | 15 | |
| demr | Find the Lattice | 100 | |
| RuHaAn49 | Everything is Big | 70 | |
| kian_mohammadita | Resisting Bruteforce | 10 | |
| Scebob | Favourite byte | 20 | |
| victor123 | Finding Flags | 2 | |
| CircusRat | Modular Arithmetic 2 | 20 | |
| Ujjaini | Breaking SIDH | 250 | |
| ShuklaJi2130 | Bringing It All Together | 50 | |
| tergsukhee | Modular Exponentiation | 10 |
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