The true size of the cryptocurrency market may be as little as 5 percent of its officially reported total. Coinmarketcap (CMC), the leading market data ...
source https://www.google.com/url?rct=j&sa=t&url=https://news.bitcoin.com/these-cryptocurrency-data-sites-aim-to-be-more-accurate-than-coinmarketcap/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNE8LfKlbEa7juETA8QaYqafHgIO7g
