Description
Blockchain is a decentralized distributed ledger enabling secure, transparent transactions. It contrasts traditional databases by eliminating intermediaries, fostering trustless ecosystems. It powers DApps, Web 3.0, and industries like banking and supply chains. Cryptocurrencies use digital signatures, hash codes, and exchanges; Bitcoin pioneered this with scripting and a peer network. Ethereum supports smart contracts via Solidity. Hyperledger offers enterprise solutions, emphasizing consensus, APIs, and business networks for secure, permissioned blockchain applications.










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