The Book about Cryptocurrency №1. Second edition expanded. Viacheslav Nosko

is a cryptocurrency wallet that is an extension for Chrome, Firefox, Opera and Brave browsers. It allows users to interact with decentralized applications (DApps) on the Ethereum blockchain directly from the browser, without having to fully download the entire blockchain network.

      MetaMask provides a user-friendly interface for managing cryptocurrencies and ERC-20 tokens, as well as interacting with smart contracts. This makes it an ideal tool for those who want to dive into the world of decentralized finance (DeFi) and other applications on the Ethereum blockchain.