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Blockchain
Blockchain is a decentralized and tamper-resistant digital ledger that securely and transparently records transactions. It consists of a chain of blocks, each containing a timestamped transaction record. Once a block is added to the chain, it becomes nearly impossible to modify previous transactions, ensuring a high level of security and trust. This decentralized system eliminates the need for a central authority, making it more resistant to fraud and hacking. Blockchain technology is widely used in finance, supply chain management, and healthcare, offering improved security, traceability, and transparency. Its ability to safeguard data and enhance trust makes blockchain a powerful tool in industries that require secure, transparent record-keeping.