In 2017, Virtual currency transactions account for 0.0019 percent of the total complaints received by the CFPB. The CFPB is on pace to receive 425 complaints in 2017, up 5,971 percent from the seven complaints received in 2016. However, it should be noted that some complaints related to Virtual currency may not be receiving the appropriate tagging within the database.
Full article here: https://news.bitcoin.com/coinbase-captures-majority-of-virtual-currency-consumer-complaints-in-2017