From genesis to Ethereum, blockchains are more than Bitcoin. Learn the fundamentals: blocks, hash, consensus, nodes, and how smart contracts unlock DeFi, NFTs, and Web3. Dive into scaling solutions like rollups, layer‑2, and sidechains. Whether you’re a newcomer or seasoned trader, this guide breaks down the tech you need to navigate the crypto ecosystem.
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Airdrops are the lottery of crypto, but you can play smart. Scan token listings, join governance, hold a minimal balance, and keep an eye on project updates. Beware of phishing and rug pulls; verify contracts and keep private keys safe. When you hit a successful airdrop, you could earn anything from a few tokens to a multi‑million dollar payoff.
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Ever wondered why Bitcoin burns energy while Ethereum moves to proof‑of‑stake? Proof‑of‑Work forces miners to solve math puzzles, locking in security but wasting power. Proof‑of‑Stake lets validators lock coins to vote on blocks, cutting energy use and slashing inflation. New ideas—proof‑of‑authority, proof‑of‑history—blend speed, decentralization, and eco‑factors. Understanding these layers helps you pick projects that fit your values and yield.
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