https://www.theregister.com/2025/06/24/psylo_browser_privacy_tab_silos/
… Enter Psylo, which Bakry and Mysk describe in a blog post as an attempt to address native app fingerprinting using software development kits, or libraries that developers add to their apps. Apple, they observe, has tried to make it harder to create fingerprints by introducing privacy measures like App Tracking Transparency in iOS 14, App Store Privacy Nutrition Labels, and Privacy Manifests, along with limitations on using APIs for tracking. Nonetheless, they say, ad tech firms have developed workarounds; the browser-maker also relies on its own Mysk Private Proxy Network to mask the IP address of each silo. …
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