MetaMask keeps your wallet data private unless you authorize permission to share your account address. You will see a MetaMask confirmation when websites. I have transferred my eth from my wazirx exchange to metamask wallet it says successful and at metamask wallet.
MetaMask is a software cryptocurrency wallet used to interact with the Ethereum blockchain. MetaMask was created out of the needs of creating more secure and usable Ethereum-based web sites. Whether you are an experienced user or brand new to blockchain, MetaMask helps you connect to the decentralized web: a new internet.