Poloniex to Delist Number of Tokens

6 tokens will be delisted from the exchange gradually, starting 15.10 and ending up 15.11
10 October 2019   338

The Poloniex exchange will no longer support the crypto assets Pascal (PASC), Steem (STEEM), Navcoin (NAV), GameCredits (GAME), LBRY Credits (LBC) and Clams (CLAM). The marketplace reported this to users in the mailing list.

Here are some important dates to keep in mind:

  • October 15th at 16:00 UTC: trading of PASC, STEEM, NAV, GAME, LBC and CLAM will be disabled
  • October 28th at 16:00 UTC: LBC withdrawals will be permanently disabled
  • November 15th at 16:00 UTC: PASC, STEEM, NAV, GAME, CLAM withdrawals will be permanently disabled

Please be sure to withdraw your assets before the withdrawal deadlines shown above. 
 

Poloniex

Reasons for the decision weren't mentioned.

Bittrex to Go For Maintenance After 1/3 Funds Moved

Users suspects hack, but exchange says "funds are safe"
05 December 2019   75

The Bittrex cryptocurrency exchange has announced scheduled maintenance today, December 5, from 22:00 to 23:00 (GMT). On the eve, a third of its assets were transferred to an unknown wallet.

During maintenance, users will not be able to log into the system or use the APIs. Trading will be suspended.

On December the 4th, populat Twitter account posted that "43,564 #BTC (313,074,134 USD) transferred from Bittrex to unknown wallet." Users suspected that the exchange was hacked, but the exchange . 

Closures for scheduled maintenance only heightened suspicion. However, the Bittrex team assures that "that claim is false."