Blockchain Series
A complete 30-day educational series covering blockchain fundamentals, consensus mechanisms, smart contracts, DeFi, NFTs, Layer 2, development tools, and advanced Web3 concepts — from beginner to professional developer.
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Blockchain Series / Editors’ pick
DeFi Explained: How Decentralized Finance Is Replacing Traditional Banking in 2026
DeFi (Decentralized Finance) is a blockchain-based financial system that offers banking services — lending, borrowing, trading, earning interest — without banks or intermediaries, using smart contracts to automate everything.
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