There's a lot of buzz these days about cryptocurrencies, a sort of private-sector digital version of money that's protected from theft by cryptography and counted through blockchain technology, which creates a multitude of digital ledgers on computers scattered far and wide.
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A bitcoin sculpture made from scrap metal is installed outside the BitCluster cryptocurrency mining farm in Norilsk, Russia, on Dec. 20, 2020. Norilsk now hosts the arctic's first crypto farm for producing new bitcoins. Andrey Rudakov/Bloomberg/Getty Images
There's a lot of buzz these days about cryptocurrencies, a sort of private-sector digital version of money that's protected from theft by cryptography and counted through blockchain technology, which creates a multitude of digital ledgers on computers scattered far and wide.