Metamask sign in is a popular crypto wallet tool. The wallet is renowned for its unmatched performance and security features among the users. The wallet is built on open-source software that allows any third party or individual to check the mechanism of the wallet and submit their suggestion to make it better for the users. This is a hot wallet that always requires an internet connection round the clock to sign any transaction or anything else. However, it allows users to convert the MetaMask wallet to a dedicated offline storage to keep their assets safe and secure from potential online threats.