What is blockchain how does it work and is it secure

Description: Blockchain: A digital record book where data is stored in linked blocks, secured with unique codes, and can't be altered without permission. Each block is secured with strong codes A network of computers (nodes) works together to add new blocks to the chain, ensuring its integrity and safety. How does it work: Blockchain, a peer-to-peer network, uses consensus to execute transactions between nodes, like transferring funds in cryptocurrency or sharing process data in other applications. Is blockchain secure: Blockchains combine math and cryptography to create a secure system. Each block's design enables consensus and protects the network. The blocks that form the network consist of : Data The hash value of the current block The hash value of the previous block Timestamp Additional information Know More - - bit.ly/45EugqH

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