Metmask was very help me for trade my Cryptocurrency asset on Decentralized Exchange (DEX) like Forkdelta,Metamask have a high security because it have multi layer and the desktop is very friendly ,Metamask have extension on many web browser like Cheome,Firefox,etc. And Metamask is very easy not lag of use it on web browser because Metamask don't need much ram for use ,and Metamask can make much cryptycurrency wallet so you can make new wallet or import your crypto wallet.and Metamask is very eSee full review