Device fingerprint

Okay kiddo, imagine you have a special toy that you bring to school every day. It's unique and no one else has one just like it. One day, you accidentally leave it at school and when you go back the next day, you can't find it because it looks like other toys.

A device fingerprint is like a special toy that your phone, tablet, or computer has. It's unique and no other device has one exactly like it. It's made up of a lot of different information such as your device model, operating system, web browser, and even how you hold your device.

Just like how you can recognize your toy by looking at its unique features, websites can recognize your device by looking at its fingerprint. This helps them remember things about you like your login information or your browsing history.

But just like how you can lose your toy or someone else can try to take it and pretend it's theirs, your device fingerprint can be manipulated or copied by hackers. So it's important to be careful about what information you share online and to protect your device's identity.