If you've come across a transaction labelled "Active Card Check", there's no need to worry — this is a normal and temporary authorisation to confirm your card details.
You might encounter an Active Card Check in the following situations:
When you add your card to a new app or website
When you update your payment method
When a subscription service verifies your card
When making a first-time purchase from a merchant
To view the merchant's name, simply tap on the transaction. If it looks unfamiliar, please block your card and let us know right away.