Cryptocurrency exchange FTX, which has filed for U.S. bankruptcy court protection, had a total cash balance of $1.24 billion as of Nov. 20, according to a court filing on Monday.

FTX will see a drop in its cash flow by $20 million to $459 million by Dec. 23, from $479 million as of Nov. 25, the filing said.

In an earlier court filing, FTX had said that it owes its 50 biggest creditors nearly $3.1 billion.