Understanding blockchain layers is key to grasping how Web3 and crypto work! 🔗 This infographic breaks down Layer 0, Layer 1, Layer 2, and Layer 3, covering interoperability, security, scaling, and smart contracts. Learn how Bitcoin, Ethereum, Polkadot, and Arbitrum fit into the blockchain ecosystem. 🚀 Save this for later! #Blockchain #Crypto #Web3 #DeFi