MetaMask, a traditional non-such wallet that functions as an extension in popular browsers such as Chrome, facilitates the use of the tokens of the ethereum network, which is installed as a plugin in the browser facilitating the use of it to send or pay from the same browser, an open source wallet and with a wide community, it can be highly recommended for those who handle ether or simply ERC 20 tokens from the PC that despite existing at this time a beta phase of the Android version had a stir when it is It was excluded from the Google application store because it was identified as a mining application, which raised doubts about the MetaMask mobile application, however it does not highlight the fact that it has a good track record as a wallet and bridge to the use of dapps.