Polygon is a Layer 2 scaling solution for Ethereum that helps make transactions faster and cheaper. Originally called “Matic Network,” Polygon has expanded into a full-fledged multichain ecosystem. It supports DeFi projects, gaming apps, NFT platforms, and more. Polygon combines the security of Ethereum with the efficiency of newer blockchain technologies. In 2025, it continues to be a major player for anyone building scalable, user-friendly decentralized apps (dApps).