BitMEX had a series of security/privacy issues today. A few hours ago they leaked thousands of user emails, and now their Twitter is hacked too.
Circle, the company behind Poloniex has decided to sell the exchange, which they have paid $400 million for just a month after the 2017 crypto bull market has ended.
Binance, the biggest altcoin exchange had a “large scale security breach” yesterday evening. The hackers were able to steal a bit over 7000 Bitcoins.