How to safely use a card in Vietnam?

Key safety measures include notifying the bank about the trip and monitoring transactions. Inform your bank in advance about the country and travel dates to avoid card blocking. If the bank does not support this option, keep emergency unblocking contacts. Always monitor transactions via SMS or mobile banking—this will help detect fraud in time. For example, tourists sometimes encounter double charges or the use of card data for online purchases. For notifications in the bank app, internet is required: use roaming or buy a local SIM card. Also, do not show the code on the back of the card to strangers and avoid suspicious terminals.

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