Under global and local regulations (such as Anti-Money Laundering laws), banks may block cards due to Know Your Customer (KYC) non-compliance. If required documents are not updated or if suspicious account activity is flagged for review, the card may be suspended.
If your debit card has been blocked, the first step is to identify the cause, as this determines whether you can unblock it yourself through a mobile app or if you must contact your bank directly. Common Reasons Your Debit Card is Blocked debit card blocked how to unblock it
Most major banks (Chase, Bank of America, Wells Fargo, Citi, Capital One, and neobanks like Chime, Revolut, Monzo) now offer an in-app card control feature. Under global and local regulations (such as Anti-Money