In a sign of growing mainstream acceptance, digital currency exchange Coinbase now boasts more accounts than brokerage firm Charles Schwab. According to its website, Coinbase has 13 mln users while the number of Schwab brokerage accounts stood at 10.6 mln as of the end of 2016.
Source: https://cointelegraph.com/news/bitcoin-going-mainstream-coinbase-has-more-users-than-charles-schwab