Bitcoin key developer Garzik says he has come up with a better digital currency

Bitcoin key developer Garzik says he has come up with a better digital currency

Cryptocurrency mining machines sit in operating racks at the home of Dmitry Gutov, a Russian cryptocurrency 'miner,' in Krasnogorsk, Russia, on Thursday, Sept. 7, 2017. Photographer: Andrey Rudakov/Bloomberg

Jeff Garzik, one of a handful of key developers who helped build the underlying software for bitcoin that is known as blockchain, has seen its shortcomings firsthand. So he decided to create a better digital currency.

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