Due to the recent spike in new users wanting to buy, hodl or trade Bitcoin and other crypto-currencies, most of the crypto-currencies exchanges have had difficulties to cope with this surge of users. In order to answer some of these questions, a real-time evaluation of the different crypto-currencies exchanges online reputation has been set up on the page linked below. At time of writing, on one hand, Kraken has a bit more than 24% negative mentions, which the second worst after Bitfinex (a special page has been set up regarding Bitfinex trust because there are other issues due to its link with Tether and its potential solvency). On the other hand, Binance is rising in Google search volume with only around 10% negative mentions. You can check it out from time to time and propose other exchanges that you would like to be added if needed. https://www.reputaction.com/en/crypto-currencies-exchanges-online-reputation