Blockchain technology is the backbone of modern cryptocurrencies. This article provides a detailed explanation of how blockchain works, including decentralized ledgers, cryptographic security, and distributed networks. It examines how blockchain records transactions permanently and securely without the need for central authorities. Readers will learn about mining, nodes, consensus mechanisms, and smart contracts. The article also highlights real-world applications of blockchain beyond cryptocurrency, such as supply chain management, healthcare data security, and digital identity verification.
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