Mastercard, Visa and Discover are blocking customers from using their companies' credit cards to make purchases on Pornhub. This comes after allegations were made against the pornographic website in a New York Times column on December 4 accusing the site of showing videos of child abuse and nonconsensual sexual behavior.
source https://www.cnn.com/2020/12/14/business/mastercard-visa-discover-pornhub/index.html