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Yeah so I'm creating a eth token and I need to find a way that buyer have a purchasable maximum limit. Can anybody help me with that ? Can't find answer thanks a lot.

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  • You can store how much each account has bought in a mapping, and revert any purchase above the limit. But having limits doesn't work very well, anyone can have as many accounts as they want a buy with each some more. For that to work you have to implement a whitelist or KYC policy. – Ismael Apr 6 at 16:15
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In the function that allows purchasing tokens (probably mint()), simply include a require check along those lines:

require((balanceOf(msg.sender) + _mintAmount) <= maximumLimit, "Cannot exceed limit");

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