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There is no danger from what mom mentions, technology, I think that in certain countries that idea is still widespread.
But above all, a mother is always right...

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Now, it's still young child, but there is an APP that works very well to protect your child's access, it's called Family link (Google), it works excellent, and you can prioritize and control everything.
You cannot prohibit access to technology, but you can control and monitor digitally, it is difficult today,but there are ways, at least until the age of 13.
Then, when the truly complicated age arrived is a teenager, your moral priorities and family teachings will prevail in them over wanting to hide things, such as gambling or trading in crypto, or in general any "vice" that you may think will harm them.
Please! I don't pretend to be your teacher, don't get me wrong, I'm just a dad too, I add to your concern from my perspective.Cheers.