| Date | User | Challenge | Score |
| pacillians | Adrien's Signs | 80 | |
| Clasher_ | Base64 | 10 | |
| Incognito | Passwords as Keys | 50 | |
| Clasher_ | Hex | 5 | |
| tanxiaoyan | Hex | 5 | |
| LumpyChump | Signing Server | 60 | |
| Clasher_ | ASCII | 5 | |
| Clasher_ | Great Snakes | 3 | |
| Hey_Andi | Favourite byte | 20 | |
| Clasher_ | Finding Flags | 2 | |
| hahahahhahahhah | ASCII | 5 | |
| l125l | Finding Flags | 2 | |
| zhang061218 | Finding Flags | 2 | |
| SiYouan | Base64 | 10 | |
| wuwuwu | Finding Flags | 2 | |
| DDDDmmmm | Bytes and Big Integers | 10 | |
| Hex | 5 | ||
| lxy6666 | Hex | 5 | |
| xiaoyuxuan | Bytes and Big Integers | 10 | |
| hahaHAHAxing | Great Snakes | 3 | |
| tanxiaoyan | ASCII | 5 | |
| hzy | Bytes and Big Integers | 10 | |
| SiYouan | Hex | 5 | |
| youyouluming | Hex | 5 | |
| HANNN | Base64 | 10 | |
| yhx | Base64 | 10 | |
| hzy | Base64 | 10 | |
| YYMMX | Base64 | 10 | |
| asdssfaf | Great Snakes | 3 | |
| zhh | Base64 | 10 | |
| hhhaaannnjjjttt | Base64 | 10 | |
| hahahahhahahhah | Great Snakes | 3 | |
| asdfgh | ASCII | 5 | |
| Rongmenglu | Bytes and Big Integers | 10 | |
| zhoumohan | Bytes and Big Integers | 10 | |
| lxy6666 | ASCII | 5 | |
| SiYouan | ASCII | 5 | |
| Hey_Andi | XOR Properties | 15 | |
| jrhamburger | Transparency | 50 | |
| tlasdf | Bytes and Big Integers | 10 | |
| ASCII | 5 | ||
| zhh | Hex | 5 | |
| yhx | Hex | 5 | |
| HANNN | Hex | 5 | |
| DrakeRedfield | Base64 | 10 | |
| hzy | Hex | 5 | |
| SiYouan | Great Snakes | 3 | |
| lllll | Base64 | 10 | |
| zhoumohan | Base64 | 10 | |
| LumpyChump | Null or Never | 100 |
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