Crypto exchange Bittrex today announced that it will delist privacy coins Monero (XMR), ZCash and Dash on Friday, January 15, at 23:00 UTC.

The Bermuda-registered exchange did not provide a reason for the delistings, but all three are privacy coins—a class of cryptocurrencies that offer untraceable transactions. Monero is private by default, and ZCash and Dash have an option for private transactions.

Monero
XMR
+1.32%$227.28

24H7D1M1YMAX
Created with Highcharts 10.3.3Mar 26Mar 28Mar 30Apr 1Apr 3Apr 5Apr 7Apr 9Apr 11Apr 13Apr 15Apr 17Apr 19Apr 21Apr 23Apr 25Apr …$180$190$200$210$220$230$240

Privacy coins are under scrutiny by regulators, who consider them facilitators of illegal activity. Darknet market White House Market, for instance, only accepts Monero transactions because of its privacy features; it's easier to trace Bitcoin transactions.

Bittrex cites "evolving regulatory standards and other compliance issues" among its reasons for delisting tokens.

Earlier this week, Bittrex was one of several exchanges to delist XRP after the US Securities and Exchange Commission filed a lawsuit against XRP's creators for raising $1.3 billion in ongoing unregistered securities sales. Ripple, the company named in the lawsuits, denies the allegations.

Daily Debrief Newsletter

Start every day with the top news stories right now, plus original features, a podcast, videos and more.