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One of the key strengths of Blockchain is its resistance to data tampering and unauthorized modifications. Once a transaction is recorded and verified on the Blockchain, it becomes nearly impossible to alter or delete it without consensus from the network participants.
The cryptographic hashes that link blocks together create a unique digital fingerprint for each block. Any attempt to modify the data within a block would require changing the hash, which, in turn, would necessitate changing the hashes of all subsequent blocks. This interdependence makes altering past transactions prohibitively difficult and highly detectable.
Furthermore, the distributed nature of Blockchain ensures that no single entity has full control over the network, minimizing the risk of unauthorized modifications. The decentralized consensus mechanisms make it computationally impractical for malicious actors to tamper with the data, providing a robust safeguard against fraudulent activities.