Check cards

When it comes to carding, carders use bots to check multiple credit or debit cards on merchant's websites. These people or companies, such as Bestfullzshop and Bestcvvshop2019, usually get credit card data on the dark web and test its validity with small purchases.
Proven numbers

Carders will use proven numbers to retrieve funds or buy gift cards that can be converted into goods, such as TVs, smartphones and computers. Then these goods are resold through websites that offer anonymity. Unlike account takeovers that focus on the login page, carding focuses on the checkout page using verified card information.