Blockchain technology is a decentralized ledger system that enables secure, transparent, and tamper-proof recording of transactions across multiple computers. It eliminates the need for intermediaries by using cryptographic principles to verify and record transactions. This technology underpins cryptocurrencies like Bitcoin and Ethereum, and its potential applications extend beyond finance to include supply chain management, voting systems, and digital identity verification. Blockchain's ability to provide transparency, security, and efficiency makes it a promising innovation for various industries