Browser Fingerprinting Explained: Why Changing Your IP Isn't Enough

Most e-commerce sellers think using a VPN or proxy is enough to protect multiple accounts. It's not. Here's why. The 4 Layers Platforms Use to Detect Multiple Accounts Layer 1: IP Address Yes, platforms check IPs. But this is just the beginning — and the easiest layer to fool. Layer 2: Canvas Fingerprinting (The One That Gets You) Your browser renders a hidden canvas element using your GPU. The resulting pixel hash is unique to your hardware . Clearing cookies doesn't change it. Switching IPs doesn't change it. // How canvas fingerprinting works (simplified) const canvas = document . createElement ( ' canvas ' ); const ctx = canvas . getContext ( ' 2d ' ); ctx . fillText ( ' fingerprint test ' , 10 , 50 ); const hash = canvas . toDataURL (); // unique per device/GPU Try it yourself: browserleaks.com/canvas Layer 3: Environment Consistency Your proxy exits in Dallas, TX — but your browser timezone is Asia/Shanghai . Your system fonts include Chinese characters. Platform algorithms flag