Mara Holdings, a cryptocurrency mining and blockchain technology company, has completed a $1 billion issuance of zero-coupon convertible senior notes due March 1, 2030. The company plans to use most of the proceeds to acquire Bitcoin.The notes, issued to institutional investors under Rule 144A of the Securities Act of 1933, include a conversion price significantly higher than Mara’s recent stock value. The notes can be redeemed under favorable conditions beginning in 2028.Approximately $199 mill...