> For the complete documentation index, see [llms.txt](https://mtasmskxtntlnz.gitbook.io/usa/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mtasmskxtntlnz.gitbook.io/usa/metamask-r-or-extension-r.md).

# Metamask®| Extension®

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