Since Download MetaMask Extension enables users to buy, send, and swap coins and tokens, it can effectively meet the needs of cryptocurrency traders.
https://sites.google.com/metamskio.com/metamaskdownload/home
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This page will explain how to add and remove networks other than ETH using the MetaMask extension or MetaMask software, so you may receive help with it by reading it.
https://sites.google.com/cryptlogs.com/metamaskextension/home