Immutable data describes information that, once recorded, cannot be altered, deleted, or reversed. On a blockchain, this property is achieved through cryptographic hashing and the sequential linking of blocks. This fundamental characteristic ensures the integrity and auditability of all recorded transactions and states.
Context
The immutability of data is a core security feature of blockchain technology, providing a verifiable and tamper-proof record for digital assets and smart contract operations. This attribute is highly valued in applications requiring high levels of trust and transparency, such as supply chain tracking or digital identity. Regulatory frameworks often consider data immutability when assessing the suitability of blockchain solutions.
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