Payment card
Variety (cybernetics)
USB
Payment terminal
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Traditional payment methods have several weaknesses. These include the need for repeated confirmation, which can be time-consuming and complicated . There is also a risk of unstable operation, which can compromise the safety factor of the payment process . Additionally, traditional payment methods often have higher transaction costs, which can be a burden for users . Another weakness is the lags between the sale of goods and services and the receipt of funds, resulting in costly delays . Furthermore, traditional payment methods may lack convenience, as they may not offer the speed, certainty, and finality of payment that users desire . Finally, the traditional payment system may not adequately support the development of other essential financial services .