Too Long; Didn't Read
On April 17, 2018, the New York Attorney General sent <a href="https://ag.ny.gov/sites/default/files/virtual_markets_integrity_initiative_questionnaire.pdf" target="_blank">a list of questions</a> to thirteen cryptocurrency exchanges, including the most popular exchanges Coinbase, Bittrex, Kraken, Bitfinex, and Binance. The request was voluntary, and some of the exchanges, including Kraken, refused to answer them.