Understanding the ERC-20 Token Standard is critical for navigating the Ethereum ecosystem. The article explores what ERC-20 tokens are, their history, functionality, and benefits to the network. It addresses limitations, popular tokens, and other ERC standards. Essential for developers and investors, the guide enhances understanding of smart contracts and token creation. Key topics include interoperability, security, and token use cases. Readers will learn about token standards' role in blockchain innovation and asset exchange on platforms like Gate.