Firefox in WebAssembly

Puter has compiled Firefox to WebAssembly so the entire browser runs inside another browser. In the demo, Firefox displays content within WebAssembly, within Chrome. The team chose Firefox for single-process support, per Simon Willison's Weblog, and spent an estimated twenty-five thousand dollars in Claude Opus and Fable tokens. All traffic funnels through WebSocket tunneling via Puter's servers—browsers can't open arbitrary connections—and the infrastructure had to scale during the Hacker News discussion. End-to-end encryption remains functional in this nested setup.

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