the credit card at the beginning of 3 refers to the credit card issued by American Express Company, also known as Amex card. As a world-famous financial service company, American Express has a high reputation and credibility in the credit card field. In addition, American Express also provides a variety of security measures, such as real-time fraud monitoring, shopping protection plan, etc., to protect the cardholder's capital security and consumer rights. Therefore, the credit card starting with 3 is reliable.

although the credit card starting with 3 is reliable, you still need to pay attention to protecting personal information and funds when using credit cards.