Chainlink solves the Oracle Problem on Ethereum by providing decentralized, tamper-proof data feeds that power DeFi, NFTs, and cross-chain transfers. It's the backbone of trusted real-world data on blockchain.
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Solidity is the dominant language for Ethereum smart contracts, powering DeFi, NFTs, and decentralized apps. Learn its core features, security risks, gas optimization, and real-world tools to build safe, efficient blockchain applications.
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