Note on Cryptocurrency Part 2
1. Registration and Configuration of Web3 Wallets for Decentralized Finance (DeFi)
1.1 What is MetaMask and Why is it the Industry Standard?
To interact seamlessly with decentralized exchanges (DEX) and automated smart contracts, you will require a non-custodial online wallet. Unlike standard exchange accounts, a non-custodial wallet grants you absolute control over your digital assets. The most popular and versatile solution across the crypto industry is MetaMask. MetaMask is a software cryptocurrency wallet that serves as a digital bridge between a traditional web browser and various blockchain networks. It allows users to receive, securely store, and send digital assets, as well as authenticate themselves on Web3 applications. Developed by ConsenSys in 2016, it currently supports the vast majority of EVM-compatible networks (such as Ethereum, Binance Smart Chain, Polygon, Avalanche, and others). MetaMask operates as a lightweight browser extension (it is highly recommended to use Google Chrome dedicated strictly to financial transactions, as outlined in the first part of this memo).1.2 Step-by-Step Installation and Basic Security Setup
It is absolutely critical to download the wallet exclusively from official sources to avoid malicious phishing clones circulating on the web.- Downloading: Navigate to the official website [https://metamask.io](https://metamask.io) and click "Download" in the upper right corner.
- Installation: Select "Install MetaMask for Chrome". This will redirect you to the official Chrome Web Store. Click "Add to Chrome" and confirm by selecting "Add extension".
- Initialization: In the automatically opened tab, click "Get Started" and then select "Create a Wallet".
- Agreement and Password: Read the privacy data policy, click "I Agree", and create a complex local password.