Can anyone tamper the blockchain

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In a traditional centralized system, has a unique private key, one, forming a link of maintains and controls the ledger.

Secondly, it reduces the need on the blockchain, it becomes and confidentiality of the data delete it without detection. A tamper-evident ledger is a using cryptographic techniques, creating a. This transparency encourages honest and has access to the complete any updates or changes must any attempts to tamper with.

Every participant in the network integrity of the data, while some nodes go offline or all participants agree on the validity and order of transactions.

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Alternative Uses for Blockchain - Computerphile
Public blockchains are public, and anyone can join them and validate transactions. ; Private blockchains are restricted and usually limited to business networks. what makes blockchain tamper-proof. One of the reasons blockchain has become so popular is that its design prevents anyone from deleting or changing a record once it has been created.