The article explores the essential aspects of ERC-20 token standard, highlighting its importance in the Ethereum ecosystem. It covers the functionality, history, benefits, and limitations of ERC-20 tokens, along with popular token examples and related standards. The guide also addresses secure storage solutions for these tokens, reviewing different ERC-20-compatible wallets like MetaMask and Ledger. Aimed at developers and cryptocurrency enthusiasts, it provides insights into choosing the right wallet based on compatibility and security. Keywords like Ethereum, ERC-20, tokens, wallets, and security guide readers to key information efficiently.