All users which currently have 100% on a site.
| Username | Site | First Track | Master since | Track-Time | From | |
|---|---|---|---|---|---|---|
 | xero | Webhacking.kr | Apr 10, 2012 - 00:38:38 | Apr 22, 2016 - 13:22:56 | 4y 13d | 28.57% |
| Xeron | RedTigers Hackit | Oct 08, 2016 - 17:35:45 | Nov 15, 2016 - 15:40:00 | 37d 23h | 0.00% |
| Xerxes500 | HackThisSite | Feb 14, 2009 - 02:18:20 | Apr 05, 2023 - 20:29:29 | 14y 53d | 64.22% |
| xoreaxeax | RedTigers Hackit | Jul 06, 2016 - 00:10:22 | Jul 17, 2016 - 15:10:28 | 11d 15h | 0.00% |
| xtckiller | RedTigers Hackit | Nov 13, 2023 - 10:52:32 | Nov 13, 2023 - 14:08:56 | 3h 16m | 0.00% |
| y0ug | Root-Me | Dec 22, 2012 - 13:36:02 | Dec 22, 2012 - 13:36:02 | 0s | 100.00% |
| yakuzar | RedTigers Hackit | Feb 25, 2024 - 11:09:58 | Feb 25, 2024 - 11:09:58 | 0s | 100.00% |
| yApth0 | PromptRiddle | Sep 20, 2020 - 02:26:53 | Sep 20, 2020 - 02:26:53 | 0s | 100.00% |
| yehuju | hax.tor.hu | Jun 15, 2012 - 07:22:58 | May 02, 2016 - 14:55:20 | 3y 322d | 14.00% |
| yehuju | HackThisSite | Jul 03, 2012 - 08:28:38 | Apr 05, 2023 - 20:33:18 | 10y 278d | 1.17% |
| yehuju | SuNiNaTaS | Mar 10, 2013 - 08:53:36 | Jan 10, 2015 - 05:12:57 | 1y 305d | 40.50% |
| yehuju | Webhacking.kr | May 15, 2013 - 15:25:57 | Feb 26, 2022 - 07:39:28 | 8y 288d | 0.00% |
| yehuju | Reversing.Kr | Jun 07, 2013 - 09:05:33 | Mar 29, 2020 - 05:23:45 | 6y 296d | 0.00% |
| yehuju | RedTigers Hackit | Jul 30, 2013 - 08:13:21 | Aug 29, 2013 - 02:19:08 | 29d 18h | 69.63% |
| yehuju | IRISSCON 2012 Lost Challenges | Sep 19, 2013 - 03:54:06 | Oct 05, 2013 - 19:39:56 | 16d 15h | 42.65% |
| ymvunjq | hax.tor.hu | Dec 09, 2009 - 23:14:00 | Dec 09, 2009 - 23:14:00 | 0s | 100.00% |
| ymvunjq | W3Challs | Aug 26, 2011 - 15:36:02 | Aug 26, 2011 - 15:36:02 | 0s | 100.00% |
| YSc | RedTigers Hackit | Sep 26, 2014 - 15:57:49 | Dec 02, 2014 - 14:12:22 | 66d 23h | 0.00% |
| Zachari | RedTigers Hackit | May 21, 2023 - 23:16:35 | May 22, 2023 - 00:12:46 | 56m 11s | 0.00% |
| zeeshan1234 | pwn.college | Oct 05, 2023 - 18:21:57 | Oct 05, 2023 - 18:21:57 | 0s | 100.00% |
| ZetaX | Rankk | Jun 06, 2011 - 14:11:48 | Jun 19, 2014 - 18:00:03 | 3y 14d | 80.37% |
| zev | Electrica | Jan 21, 2021 - 13:12:32 | Nov 11, 2021 - 19:58:00 | 294d 6h | 75.00% |
| ziot | ae27ff | May 13, 2018 - 21:15:37 | May 13, 2018 - 21:15:37 | 0s | 100.00% |
| ziot | Revolution Elite | May 13, 2018 - 21:15:44 | Jul 20, 2018 - 11:45:21 | 67d 14h | 58.15% |
| zM_ | LordofSQLi | Nov 17, 2024 - 19:29:01 | Nov 21, 2024 - 01:43:33 | 3d 6h | 4.08% |