It's been a busy first quarter of the year for North American bitcoin miner Core Scientific.

First, its shares began trading again on the Nasdaq after emerging from bankruptcy and now the company has reported a major turnaround that includes posting $210.7 million in net income.

That compares to the first quarter of last year when Core Scientific reported a loss of roughly $400,000. In its earnings statement released Wednesday, the company noted that its net income for this latest quarter was "a gain on extinguishment of prior obligations of $143.8 million."

The bitcoin miner said it self-mined 2,825 bitcoin, or more than $175 million at current prices, during the period. Last year, despite dealing with the bankruptcy, Core Scientific mined 19,274 bitcoin, about $1.2 billion currently.

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