Hi, is it possible to save customers' confidential data when they make purchases not only through cryptocurrencies, but for example by card. What payment provider to choose for this task or what to do?
Are you talking about accepting debit/credit cards on your merchant website? On my old project before I only use Woocommerce with a Paypal payment gateway to accept Paypal payments or debit/credit cards.
This is not related to this topic so I think it would be better read this list of payment gateway for Woocommerce here below
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https://woocommerce.com/product-category/woocommerce-extensions/payment-gateways/