Question

How can a blockchain be used to manage sharing of personal records?

A. by requiring a proof-of-work for access
B. by storing consent and revocations to access the off-chain records
C. by mandating that each individual participant enters a smart contract
D. by creating a consensus mechanism for entering data

Answer 1

Answer:

B. by storing consent and revocations to access the off-chain records

Explanation:

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