Definition ∞ Data tampering refers to the unauthorized or malicious alteration of digital information. This act compromises the integrity and authenticity of data, making it unreliable. In blockchain contexts, successful data tampering would mean changing transaction records after they have been committed to the ledger. Such an event would severely undermine the trustworthiness of the digital asset system. Preventing this is a primary goal of cryptographic security.
Context ∞ The immutability of blockchain records is a direct countermeasure to data tampering, making news of any successful alteration highly significant. Discussions often revolve around the security mechanisms, like cryptographic hashing and consensus algorithms, that protect against such attacks. Vigilance against data tampering remains a critical aspect of maintaining confidence in digital asset infrastructure.
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