Celsius, a lending platform going through bankruptcy proceedings, has filed a lawsuit against Tether demanding reimbursement of 39,542 BTC (about $2.4 billion).

According to the document, the said amount was the collateral for a loan from the USDT steiblcoin issuer. The latter requested an increase in collateral after the bitcoin price declines in early 2022.

Celsius granted Tether's request, but the collateral was again jeopardized. The lawsuit states that while the lending platform was raising funds during the period specified in the contract, the USDT issuer liquidated the full collateral in a matter of hours