Blockchain’s association with bitcoin initially created an image problem as bitcoin achieved notoriety for its role in crimes, including in ransomware attacks and buying from the dark web, though as this article points out these concerns have now been largely dispelled.
According to Sir Mark Walport, chief scientific adviser to the government, this technology could help governments to collect taxes, deliver benefits, issue passports, update land registries, assure supply chains and generally ensure the integrity of records and services. In the NHS, he suggests, it could improve and authenticate service delivery by sharing records securely.
Some say this technology will disrupt every industry where trust and transactions are central, including for example managing online identities and recording ownership.
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