Blockfills, a Chicago-based crypto trading firm, has filed for bankruptcy, as the crypto winter takes its toll on the industry.

On Sunday, BlockFills operator Reliz Ltd. and three affiliated entities filed voluntary Chapter 11 restructuring petitions in the U.S. Bankruptcy Court for the District of Delaware, according to documents seen by CoinDesk.

The court filing shows Reliz reporting assets between $50 million and $100 million against liabilities of $100 million to $500 million, a stark indicator of the mounting pressures in its crypto trading operations.

The company decided to file for bankruptcy after consulting all stakeholders, it said in an official statement.

“After extensive discussions with…