Delisting. Black list.

These coins can fall in price.

Delisting. Poloniex.com exchange (rank 41). September 25, 2018.

'BTCD' - 'Bitcoin Dark'
'BTM' - 'Bitmark'
'EMC2' - 'Einsteinium'
'GRC' - 'GridCoin'
'NEOS' - 'NeosCoin'
'POT' - 'PotCoin'
'VRC' - 'VeriCoin'
'XBC' - 'Bitcoin Plus'

Source: twitter.com/Poloniex/status/1042081177803350021

Delisting. Bit-Z.com exchange (rank 17). September 30, 2018.

'BLK' - 'BlackCoin'
'BTV' - '?'
'HWC' - 'HollyWoodCoin'
'GAME' - 'GameCredits'
'MZC' - '?'
'PPC' - 'PeerCoin'
'XPM' - 'PrimeCoin'
'YBCT' - '?'
'ZSC' - 'Zeusshield'

Source: twitter.com/BitZExchange/status/1037984953454092288