users can't find the back without a credit card. Nowadays, many credit card consumers support users to provide credit card number and three-digit security code on the back of their credit cards for consumption. The importance of security code is beyond doubt. In order to protect consumers' property, there is no way to find anti-counterfeiting codes at present. You can only know by looking at the back of the credit card.

Credit card brand:

1.VISA, also translated as visa, is a credit card brand operated and managed by Visa in San Francisco, California, USA. Visa card was issued in 1976, and its predecessor was Bank of America issued by Bank of America. In June, 217, the brandz Top 1 Most Valuable Brands in the World was released in 217. Visa ranked seventh with a brand value of $11.999 billion. On May 29, 218, brandz released the top 1 most valuable brands in the world in 218, and visa ranked seventh.

2. Credit card of China Merchants Bank. On December 3, 22, China Merchants Bank officially issued the first international standard dual-currency credit card in China, which opened a new era of credit card consumption in China [2]. After more than ten years of struggle and growth, China Merchants Bank Credit Card has formed three visions of "the best payment experience provider in China, the best consumer finance expert in China and the leading diversified marketing platform in China", and won many honors at the same time.

3. China Industrial and Commercial Bank Credit Card, also known as Peony Card, is the first financial product trademark registered by China Industrial and Commercial Bank. The bank cards issued by China Industrial and Commercial Bank are uniformly named Peony Card. China Industrial and Commercial Bank officially issued Peony Credit Card on October 15th, 1989, joined MasterCard international at the end of the same year, and obtained a visa in early 199. In the past ten years, eight Peony Kaka series products have been issued: Peony Credit Card, Peony Smart Card, Peony Co-branded Card, Peony Color Photo Card, Peony Smart Card, Peony ID Card and Peony International Card, which provide cardholders with services such as shopping consumption, cash deposit and withdrawal, transfer settlement, credit loan, automatic withdrawal, collection and payment, installment payment, and universal deposit and withdrawal of red cards. The application field of peony card has gradually penetrated into all aspects of social and economic activities such as commerce, tourism, catering, entertainment, transportation, telecommunications, medical care, education, securities, taxation and so on. Peony card payment, public utility fee collection, and employee pension are widely carried out throughout the country, and are widely welcomed by relevant people from all walks of life.