The emergence of bitcoin and other cryptocurrencies has led some economists to predict the technology could be used one day across entire economies, with digital currencies created by central banks.
Carney told British lawmakers in Parliament on Wednesday that the blockchain technology used in cryptocurrencies conceivably could improve the way transactions are conducted between financial institutions.
But there could be financial stability risks if such an approach were rolled out across the whole economy through a cryptocurrency intended for the general public, he said.
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