Install Metamask

What is Metamask? Why do I need it? https://www.youtube.com/watch?v=YVgfHZMFFFQ Download Metamask Tutorial: https://www.youtube.com/watch?v=WAStJtjYI_c Download: https://metamask.io/ Add chains to Metamask with 1 click (FTM|AVAX|BSC) https://chainlist.org/