Cryptopia Finally Officially Resumed Trading

After January hack, losing around 10% of its assets, New Zealand exchange resumed trading on 40 trade pairs that are considered as secure by its team
19 March 2019   698

The New Zealand cryptocurrency exchange Cryptopia, which lost up to 10% of its funds as a result of the January hacker attack, officially resumed trading.

We have resumed trading on 40 trade pairs that we have quantified as secure. We will continue to expand this list as we clear more coins.
 

Cryptopia @twitter

Yesterday, March 18, Cryptopia resumed trading in test mode for several hours. Total trading volume slightly exceeded 10 BTC. The exchange also announced that it intends to pay compensation to all affected clients by the end of March.

Bittrex to Go For Maintenance After 1/3 Funds Moved

Users suspects hack, but exchange says "funds are safe"
05 December 2019   63

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."