Bitcoin miner Marathon Digital (NASDAQ: MARA) has recently completed its $850 million convertible note offering at 0% interest, the proceeds of which shall go for additional Bitcoin purchases. The announcement comes just when BTC’s price smashed past the $100K milestone earlier today hitting a new all-time high. Speculations have started pouring in for BTC price to hit $125,000 by the year-end as part of the Christmas rally.