Binance Smart Chain is a blockchain network compatible with Ethereum's Virtual Machine (EVM), operated by Binance's validator set. It offers faster block times (12 seconds), lower transaction fees (1/100th of Ethereum), and similar developer experience. BSC hosts vibrant DeFi ecosystem (PancakeSwap, Venus, Aave) and is popular for quick experimentation before Ethereum mainnet deployment. - Lower Cost: Transaction fees <$0.01; ideal for high-volume applications and retail users