Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. Bitcoin is good for the U.S. dollar, Coinbase (NASDAQ:COIN) CEO Brian Armstrong says. “Bitcoin in an indirect way is helping the dollar,” Armstrong told record producer Rick Rubin in an episode of his “Tetragrammaton” released last week. “I would say it provides a check and balance on the dollar in the sense of if there’s too much deficit spending or inflation in the U.S., people will flee to Bitcoin [in] ...