Okay, so let's pretend you have a website, and it has a special name, like 'myawesomeblog.com'. This name is called a 'domain name'. Now, there are some people out there who might try to trick you into giving them money by pretending to be in charge of your domain name. They might send you an email or letter saying that they need you to pay them to keep your domain name safe, or to update it.
But here's the thing: most of the time, these people are lying. They don't really have anything to do with your domain name, and they just want to take your money. It's like somebody pretending to be a doctor and telling you that you need to pay them for medicine you don't really need.
So if somebody you don't know asks you for money for your domain name, don't give it to them! Instead, check with the company you bought your domain name from (like GoDaddy or Namecheap) to make sure everything is okay. And always be careful with your money, especially when somebody is asking for it in a sneaky or suspicious way.