AISimon Willisonabout 1 hour ago
Firefox in WebAssembly
1 min read
Puter compiled Firefox to WebAssembly, enabling the entire browser to run inside another browser. The project used Firefox/Gecko for its strong single-process support and cost an estimated $25,000 in Claude Opus and Fable tokens. All traffic routes through Puter's server via a WebSocket protocol, with end-to-end encryption supported.
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