Government urged to use Bitcoin-style digital ledgers

The UK's chief scientific adviser has urged the government to adopt the technology that powers crypto-currency Bitcoin to run various public services. Bitcoins are powered by blockchains - digital ledgers that record information from Bitcoin transactions to DNA. Sir Mark Walport has argued that they could be used by government departments as a more secure way of managing data. They could be used to help with tax collection, benefits or the issuing of passports, he has said.
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