How to hack someone using their ip address. Please delete that part of your comment - it's just not true.
Just continue to calmly implement good security practices, whether or not someone has your IP address.
Until now, we created the name.
It's a much more complicated hack than a typical hacker could manage on their own.
So, people get scared and start believing in the hacker.
Read more about IP addresses in this detailed article.
I didn't downvote, but it's probably because you're talking about general forum risks, when the question was about an attacker knowing your IP address.
This is the only way the other part can know it, and send some traffic back.
When your devices in your home network want to send traffic over the Internet, they will use that public IP address shared among all of them.