browser fingerprinting tracks you via unique browser traits like javascript, webgl, and canvas rendering, making vpns useless for true anonymity as shown in a study of 83 laptops all uniquely identifiable.
even with vpns or browsers like brave, these fingerprints persist across sessions.
hackaday
https://hackaday.com/2025/11/19/browser-fingerprinting-and-why-vpns-wont-make-you-anonymous/
