A healthcare consortium wants to build a platform for managing clinical trial data. The primary goals are to ensure data integrity, prevent tampering with results, and give patients more control over how their data is shared with researchers. All actions, such as a patient granting consent or a researcher accessing a dataset, must be immutably logged and auditable by regulators. Which blockchain characteristic is MOST critical to meeting the data integrity and auditability requirement?
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A
Decentralization, as it removes the need for a central administrator.
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B
Immutability, as it ensures that once a transaction is recorded, it cannot be altered or deleted.
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C
Tokenization, as it allows for the creation of digital assets representing patient data.
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D
Anonymity, as it protects the identities of the patients and researchers.