Microstrategy ( NASD:MSTR ) has announced its intent to offer $600 million in debt and use the proceeds to buy more Bitcoin. Microstrategy made headlines in a previous debt offering when the company did the same. In December, Microstrategy closed on an offering of $650 million of 0.750% convertible senior notes due 2025 using the net proceeds from the sale of the notes to purchase Bitcoin in accordance with its Treasury Reserve Policy.