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by remram 1205 days ago
France has its own payment network, CB (previously Carte Bleu). Payment cards emitted by French banks are usually both CB and Visa, which allows French banks to route payments through CB rather than Visa. This could probably be done by other groups, national or otherwise, with little effect on users.

https://fr.m.wikipedia.org/wiki/Groupement_des_cartes_bancai...