One of the oldest cryptocurrency exchanges in the U.S., Bittrex, sent this email out late Friday afternoon:
Despite at one point having over 30% of crypto volume in the U.S., it was struggling well before its closure, being ranked between #60 and #50 in traded volume for the past couple of years.
And the writing may have already been on the wall after Bittrex axed 83 employees in February. Certainly not helping their reputation for, according to online reviews, customer service was almost non-existent.
You can read more on Operation Choke Point 2.0 here.
Update: Shortly before sending out the final version, I received and email from $NEXO: