支持 Credit/Debit Card 的已验证 SMM 面板

The bank payment card structure began in 1950 with the Diners Club charge card, conceived by Frank McNamara as a paper-based credit token for merchant dining settlements. In 1958, Bank of America introduced the BankAmericard—the first general-purpose consumer revolving credit card issued through a private banking entity—which later restructured into the international Visa cooperative. Simultaneously, regional card-issuing banks formed the Interbank Card Association in 1966, which later became Mastercard, establishing standardized clearing protocols for merchants and retail banks as documented in the records of payment cards.

Card processing relies on a multi-party system comprising the cardholder, merchant, acquiring processor, payment card brand, and issuing bank. When an online payment is submitted, the payment gateway captures encrypted card data and routes it through an acquiring institution to the designated card network. The card network queries the cardholder's issuing bank—regulated by domestic central authorities such as the Federal Reserve—to verify available balances and security codes, returning an authorization response within seconds while actual settlement windows follow security mandates enforced by the PCI Security Standards Council.