This article has been translated from English to Gen Z Slang.

A QR Code is like a barcode's cooler cousin 😎 used by centralized cryptocurrency exchanges (CEX) and other crypto peeps for keeping it 🔒. They help with user things like logging in, making API keys, or getting that 2-factor vibe check. 💯

A lot of CEXs hook you up with QR codes to show your public or low-key private key. 🚀

The QR code is scannable by your phone cam, kinda like when you scan snacks at the store. 🍫📱

After you scan the QR code, you can use it to get that 2-step verification going with an authenticator app that's usually chillin' on your phone. 📲✨

Some CEXs also vibe with QR codes to confirm who you are when you wanna access your CEX wallet from your phone or tablet. 📲🔑