Question

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


by mandating that each individual participant enters a smart contract


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


by creating a consensus mechanism for entering data


by requiring a proof-of-work for access


I don't know this yet.

Answer 1

Answer:

if we used blockchain the content will be present between only two people no third person can interact with that content it is one of safest method. by namely it is used in marketing companies to take over another company whithout knowing them