Hello, the classic payment by card with the transfer of funds between the account of the buyer and the seller, through a secure processing center, is the safest way to transfer money using 3D-Secure and modern data encryption. But you can conclude an agreement with Internet acquiring only as a legal entity, and the execution itself takes more time. An easier option for online store owners is
White Label card acuqiring. Thus, you will also be able to accept payments from other countries.