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Strangely enough, all accounts use telegram nick instead of ethereum address. I didn't check all accounts but most of them have 42 activity.
This is strange:
Name: xdurev
Date Registered: June 12, 2011, 08:29:49 AM
Name: rupasrojiy
Date Registered: May 18, 2011, 07:57:12 AM
Name: aszwqo
Date Registered: June 21, 2011, 01:39:28 PM
Name: elisbeth
Date Registered: July 11, 2011, 06:13:36 AM
Name: Theo1992
Date Registered: February 26, 2012, 03:18:42 PM
Name: benjumun
Date Registered: November 01, 2011, 10:45:50 PM
Name: aristander
Date Registered: March 14, 2013, 06:44:40 PM
Name: emmaisabella
Date Registered: July 29, 2011, 04:09:22 AM
And so on.
My best guess here is that all accounts have been hacked. Report them directly to moderator.