Blockchain’s foundation is a decentralized data chain. Data is stored in blocks, and each block contains the hash of the previous block, making tampering nearly impossible. But how exactly does this system provide security?
Blockchain: How does data security work?
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The chained hash structure in blockchain not only ensures the difficulty of altering data but also provides transparency in a decentralized network where anyone can participate without relying on a central authority. For instance, during my research on Bitcoin's blockchain, I observed that any attempt to modify data was immediately detected by the network.