Crypto Mining Device News Today

Each graphics card varies in price and profits. Here's a breakdown of each option, its daily earnings, and its cost depending on if it's new or used.

The hardware can be as cheap as $329, but you'll have to get your hands on it first. Here are some ways to snag it.

Alain Pitton/NurPhoto via Getty Images This story is available exclusively to Insider subscribers. Become an Insider and start reading now. Norwegian tycoon Kjell Inge Rokke recently joined a growing list of billionaires to embrace bitcoin. In a 23-page shareholder letter, Rokke breaks down his three-fold bitcoin investing strategy.  He details why he sees bitcoin as a solution instead of a problem for its perceived challenges. ...