My account has been hacked, what can I do?
If you did not initiate a transaction on your account, it may mean that your Nickel card has been used fraudulently.
You must then immediately proceed tostop your Nickel card.
How do I stop using my Nickel card?
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Oppose your card from your customer area Nickel or on the mobile app then click on "Oppose" at the top right
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Call Nickel's customer service at 02 891 29 80 and use choice 1 then choice 1 again.
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Call the Opposition Centre on 02 891 29 89 (Call Centre open 24/7) or from abroad on +322 891 29 89.
Discover in pictures how to oppose your card directly:
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from your Nickel application:
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From your Nickel Customer Centre :
How to contest the fraudulent transaction?
To contest a transaction you must send us these 2 documents:
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A copy of your complaint
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The dispute mail using this frame.
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You can also download and send us the paper version here
Via our contact form or by postal mail: Financière des Paiements Électroniques - Koningsstraat 144-146, 1000 Brussels.
How do I replace my Nickel card after I've cancelled it?
You can then make the replacement of your card directly online or at a Nickel terminal.
💡 For added security, NNickel offers you the ability to temporarily lock/unlock your card from and then your Nickel customer area.
This feature is free and unlimited.

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