Tesla has converted approximately 75% of its bitcoin into fiat currency. The cryptocurrency sales left the electric car company holding digital assets worth $218 million. “We are certainly open to increasing our bitcoin holdings in the future,” Tesla CEO Elon Musk said, adding: “We have not sold any of our dogecoin.”Tesla Sold About 75% of Its Bitcoin HoldingsElon Musk’s electric car company, Tesla, released its Q2 earnings report Wednesday. The company wrote:As of the end of Q2, we have conv...