tele.gaChannel @RuCTF_En has suspended its broadcast. But don't worry, we still have a lot of good others:
Яндекс
yandex @ telegram, 252501 members
addmeto
addmeto @ telegram, 77288 members
Now-ka
now_ka @ telegram, 6561 members
Осенило - написал
screenspiration @ telegram, 5926 members
Кстати, кто из вас Porta.Fi?
PortaFi @ telegram, 1894 members
Тобетра
tobetra @ telegram, 171 members