Is Tesla buying Bitcoin a sign the currency is becoming mainstream?

The virtual currency's value has now soared by 372 per cent in the last year to over $45,000, and remains way out in front of other digital currencies. https://www.dailymail.co.uk/money/markets/article-9241021/Is-Tesla-buying-Bitcoin-sign-currency-mainstream.html?ns_mchannel=rss&ns_campaign=1490&ito=1490