There are hundreds listed already. These safeguards reinforce age boundaries across sites.
https://talkingpoints.org/subx/showthread.php?tid=1761
https://forum.zweb-apps.xyz/viewtopic.php?t=202749
http://raven-moon.org/forum/showthread.php?tid=2603
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=581202
http://forum.fretky.cz/jak-ji-naucit-na-zachod-fretci-toaleta-a-vse-kolem/via-welk-platform-crypto-kopen-of-nederlandse-online-goksite-t202526.html
https://wietmarkt.nl/viewtopic.php?t=573458
https://gravatar.com/profound7cfdd23a77
https://www.ww2.site/forum/viewtopic.php?t=352399
https://democratstoughlove.com/showthread.php?tid=3345
http://1.s.2.free.fr/viewtopic.php?f=17&t=325878
http://frmklas.com.tr/threads/hraci-automaty-ceske-online-hry.104924/
http://47.88.101.141/forum.php?mod=viewthread&tid=471410&extra=
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=323658
http://frmklas.com.tr/threads/vyherni-automaty-bonus-za-registraci-sazeni-po-internetu.112392/
http://frmklas.com.tr/threads/online-casinolarda-nasil-daha-fazla-para-kazanilir-sanal-bahis-rulet.24733/
https://planeswalkers.org/viewtopic.php?t=19995
https://catrachosporelmundo.com/index.php?topic=10081.new#new
https://talkingpoints.org/subx/showthread.php?tid=6787
https://democratstoughlove.com/showthread.php?tid=6861
http://horsecity.ru/phpBB3/viewtopic.php?f=7&t=404161