All users which currently have 100% on a site.
| Username | Site | First Track | Master since | Track-Time | From | |
|---|---|---|---|---|---|---|
 | Zonka | BrainQuest | Jun 02, 2011 - 19:09:44 | Dec 14, 2011 - 12:34:39 | 194d 18h | 99.07% |
 | 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% |
| zev | Electrica | Jan 21, 2021 - 13:12:32 | Nov 11, 2021 - 19:58:00 | 294d 6h | 75.00% |
| ZetaX | Rankk | Jun 06, 2011 - 14:11:48 | Jun 19, 2014 - 18:00:03 | 3y 14d | 80.37% |
 | Zeta | CSTutoringCenter | Jun 10, 2010 - 00:05:21 | Apr 03, 2011 - 08:13:20 | 297d 8h | 31.16% |
| Zeta | hax.tor.hu | Jun 02, 2011 - 15:06:03 | May 05, 2016 - 20:41:51 | 4y 339d | 98.00% |
 | ZeroCold | hax.tor.hu | Aug 24, 2011 - 11:59:10 | Jan 16, 2019 - 16:16:07 | 7y 147d | 88.00% |
 | zen0c1de | RedTigers Hackit | Sep 10, 2017 - 07:23:35 | Nov 18, 2017 - 11:21:09 | 69d 4h | 0.00% |
| zen0c1de | SuNiNaTaS | Jul 15, 2013 - 18:33:52 | Nov 19, 2017 - 06:32:42 | 4y 127d | 3.60% |
 | zeldarfleau | RedTigers Hackit | Dec 28, 2018 - 22:43:12 | May 02, 2019 - 11:42:23 | 124d 11h | 0.00% |
| zeeshan1234 | pwn.college | Oct 05, 2023 - 18:21:57 | Oct 05, 2023 - 18:21:57 | 0s | 100.00% |
 | zed_0xff | hax.tor.hu | Feb 12, 2013 - 23:38:56 | Feb 13, 2013 - 22:01:22 | 22h 22m | 4.00% |
| zairo | RedTigers Hackit | Oct 18, 2016 - 08:37:12 | Oct 19, 2016 - 08:49:42 | 1d 12m | 20.61% |
| Zachari | RedTigers Hackit | May 21, 2023 - 23:16:35 | May 22, 2023 - 00:12:46 | 56m 11s | 0.00% |
 | ywivreqi | RedTigers Hackit | Sep 04, 2018 - 12:56:34 | Sep 14, 2018 - 01:55:22 | 9d 12h | 0.00% |
| ytk2128 | Reversing.Kr | Nov 20, 2022 - 12:53:43 | Nov 20, 2022 - 12:53:43 | 0s | 100.00% |
 | ytbjplh | IRISSCON 2012 Lost Challenges | Apr 10, 2014 - 14:48:04 | Apr 10, 2014 - 14:48:04 | 0s | 100.00% |
| ytbjplh | RedTigers Hackit | Apr 11, 2014 - 19:15:11 | Apr 11, 2014 - 19:15:11 | 0s | 100.00% |
| ytbjplh | hax.tor.hu | Nov 29, 2012 - 15:04:39 | Mar 27, 2019 - 10:01:46 | 6y 118d | 76.00% |
| ytbjplh | SuNiNaTaS | Nov 26, 2012 - 03:55:05 | Feb 22, 2023 - 07:19:22 | 10y 90d | 0.00% |
| ytbjplh | HackThisSite | Mar 11, 2023 - 15:02:14 | Apr 05, 2023 - 20:32:32 | 25d 4h | 93.81% |
| ytbjplh | Reversing.Kr | Feb 22, 2023 - 07:19:46 | May 27, 2023 - 16:36:50 | 94d 8h | 94.41% |
| ytbjplh | CryptoHack | Mar 11, 2023 - 15:08:13 | Mar 25, 2024 - 14:56:09 | 1y 14d | 68.43% |
| ytbjplh | LordofSQLi | Feb 22, 2023 - 07:20:35 | Nov 02, 2024 - 14:43:34 | 1y 254d | 83.67% |
| YSc | RedTigers Hackit | Sep 26, 2014 - 15:57:49 | Dec 02, 2014 - 14:12:22 | 66d 23h | 0.00% |
| yoobi | RedTigers Hackit | Feb 26, 2024 - 13:41:32 | Feb 27, 2024 - 12:41:29 | 22h 59m | 0.00% |
| 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% |
 | yeuchimse | Yoire | Jul 01, 2014 - 09:10:45 | Jul 04, 2014 - 05:16:24 | 2d 20h | 61.54% |
| Yeon_ | RedTigers Hackit | Nov 13, 2018 - 07:47:30 | Nov 14, 2018 - 04:08:08 | 20h 20m | 2.17% |
| Yeon_ | Reversing.Kr | Nov 14, 2018 - 18:48:58 | Jun 15, 2019 - 18:57:57 | 212d 23h | 89.49% |
| Yeon_ | SuNiNaTaS | Jun 16, 2019 - 08:18:55 | Jun 16, 2019 - 11:03:59 | 2h 45m | 90.37% |
| Yeon_ | LordofSQLi | Jul 18, 2019 - 13:45:52 | Jul 19, 2019 - 06:25:46 | 16h 39m | 57.14% |
| yeo2165 | SuNiNaTaS | Sep 05, 2015 - 00:47:14 | Sep 05, 2015 - 00:47:14 | 0s | 100.00% |
| 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% |
| yehuju | SuNiNaTaS | Mar 10, 2013 - 08:53:36 | Jan 10, 2015 - 05:12:57 | 1y 305d | 40.50% |
| yehuju | hax.tor.hu | Jun 15, 2012 - 07:22:58 | May 02, 2016 - 14:55:20 | 3y 322d | 14.00% |
| yehuju | Reversing.Kr | Jun 07, 2013 - 09:05:33 | Mar 29, 2020 - 05:23:45 | 6y 296d | 0.00% |
| yehuju | Webhacking.kr | May 15, 2013 - 15:25:57 | Feb 26, 2022 - 07:39:28 | 8y 288d | 0.00% |
| yehuju | HackThisSite | Jul 03, 2012 - 08:28:38 | Apr 05, 2023 - 20:33:18 | 10y 278d | 1.17% |
| yApth0 | PromptRiddle | Sep 20, 2020 - 02:26:53 | Sep 20, 2020 - 02:26:53 | 0s | 100.00% |
| yama_tan | RedTigers Hackit | Dec 15, 2018 - 02:44:47 | Dec 19, 2018 - 06:50:23 | 4d 4h | 14.10% |
| yakuzar | RedTigers Hackit | Feb 25, 2024 - 11:09:58 | Feb 25, 2024 - 11:09:58 | 0s | 100.00% |
 | yachoor | CSTutoringCenter | Mar 03, 2010 - 16:31:23 | Jul 31, 2010 - 17:34:31 | 150d 3m | 1.77% |
| yachoor | Yoire | Jun 02, 2012 - 11:42:41 | Mar 02, 2015 - 11:47:02 | 2y 273d | 0.00% |
| yachoor | SuNiNaTaS | Jun 02, 2012 - 11:41:44 | Feb 28, 2016 - 12:51:05 | 3y 271d | 0.00% |
| yachoor | hax.tor.hu | May 09, 2009 - 15:30:54 | Jun 05, 2017 - 21:45:20 | 8y 29d | 26.00% |
| yachoor | +Ma's Reversing | Mar 01, 2009 - 02:23:23 | Jul 21, 2017 - 21:56:07 | 8y 144d | 71.43% |