Poloniex is “GeoFencing” Some Alts Because of SEC Security Scares

“On Friday, May 29th, at 16:00 UTC, the markets for ARDR, BCN, DCR, GAME, GAS, LSK, NXT, OMNI, and REP will be disabled for Poloniex customers in the US. All assets remain available for trading to customers outside the US.”

You can see the official Poloniex Tweet thread this announcement comes from here.