| Date | User | Challenge | Score |
| pseudonymous_ | ASCII | 5 | |
| maya24 | ASCII | 5 | |
| ashimmm | ASCII | 5 | |
| yairRubin4 | Round Keys | 20 | |
| Adem0 | Signing Server | 60 | |
| ashimmm | Great Snakes | 3 | |
| ashimmm | Finding Flags | 2 | |
| 2518572252 | Finding Flags | 2 | |
| pseudonymous_ | Great Snakes | 3 | |
| apjustice | Modular Inverting | 25 | |
| pseudonymous_ | Finding Flags | 2 | |
| chmaster | JSON in JSON | 40 | |
| ayanatbb | Unencryptable | 125 | |
| CrypTP | Bringing It All Together | 50 | |
| maya24 | Great Snakes | 3 | |
| apjustice | Modular Arithmetic 2 | 20 | |
| maya24 | Finding Flags | 2 | |
| George_Weasly | Ellipse Curve Cryptography | 125 | |
| J3sus_Chris | Logon Zero | 80 | |
| Violi | XOR Starter | 10 | |
| apjustice | Modular Arithmetic 1 | 20 | |
| Violi | Bytes and Big Integers | 10 | |
| apjustice | Extended GCD | 20 | |
| ayanatbb | Roll your Own | 125 | |
| Violi | Base64 | 10 | |
| apjustice | Greatest Common Divisor | 15 | |
| Violi | Hex | 5 | |
| J3sus_Chris | CTRIME | 70 | |
| hack_use_math | Structure of AES | 15 | |
| ayanatbb | Ellipse Curve Cryptography | 125 | |
| Violi | ASCII | 5 | |
| 4wutKall | Hex | 5 | |
| rqccnmcvorxrpdrk | Round Keys | 20 | |
| George_Weasly | No Way Back Home | 100 | |
| layth_j | Bringing It All Together | 50 | |
| _Tk_ | Resisting Bruteforce | 10 | |
| Violi | Great Snakes | 3 | |
| 4wutKall | ASCII | 5 | |
| Violi | Finding Flags | 2 | |
| 4wutKall | Great Snakes | 3 | |
| dradminus1 | Finding Flags | 2 | |
| schizowisper | Base64 | 10 | |
| qslg | Paper Plane | 120 | |
| LolloITIS | Great Snakes | 3 | |
| LolloITIS | Finding Flags | 2 | |
| dorado8 | Everything is Still Big | 100 | |
| rqccnmcvorxrpdrk | Structure of AES | 15 | |
| DarthLLM | ECB CBC WTF | 55 | |
| schizowisper | Hex | 5 | |
| Melon_N | Modular Inverting | 25 |
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