Survey: 89% of Visa, Mastercard, Unionpay Users Know Crypto – 53% Have Purchased
Studies 2 May 2018

https://news.bitcoin.com/survey-visa-mastercard-unionpay-crypto-purchased/

A global study of cryptocurrency purchases made by users of Visa, Mastercard, and Unionpay cards shows that 89% of respondents are knowledgeable about crypto and 53% have purchased some in the past 12 months.