Yes, you can block duplicate clicks on the campaign level. So multiple clicks per user will land only one time based on your defined time period.
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Where to find the option ?
Go to a Particular Campaign > Setting > Edit -> Basic settings .
In Basic settings, you will find an option for Duplicate Click Action.
Unique click will be checked based on cookies droped on user browser and session duration you have set.
You can set Click Duration In hours and define what should happen with duplicate clicks, It should Redirect to Blank Page or Any Fallback URL from the drop down menu .
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