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DuckDB-Wasm now supports persistent databases in browsers using the Origin Private File System (OPFS), enabling data to survive page reloads and browser restarts with built-in storage.
A test harness for experimenting with the Origin Private File System (OPFS) in browsers using Pyodide, built to explore persistent SQLite storage for Datasette Lite.
This paper presents FROST, a technique for remotely fingerprinting users by exploiting timing differences in the OPFS-based SSD storage.