To be RGPD compliant, you can hide bank card details and IBAN number filled in by the visitor during a chat conversation.
Once enabled, whenever a visitor sends a message containing a bank card number (e.g. 5455 6466 7577 8888) or an IBAN number (e.g. DE06 6542 0511 1222 3332 00), these will be replaced by XXXX-XXXX-XXXX-XXXX when s/he validates his/her message.
Bank card: this is how it will look like within the chat conversation/chat conversation history/chat conversation sent by e-mail:
As for IBAN: