<p><strong>Warning:</strong> This feature should not be activated on a BTCPay Server store processing commercial transactions.</p>
<p>By activating this feature, a malicious user can trick you into thinking an order has been processed by creating a new invoice, reusing the same Order Id of another valid order but different amount or currency.</p>
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To start using Pay Button, you need to enable this feature explicitly.
Once you do so, anyone could create an invoice on your store (via API, for example).