BitGrail, an Italian cryptocurrency exchange, suspended operations Tuesday after briefly reopening, CCN reports. The exchange has been in the news since 17 million nano tokens (XRB), currently worth about $140 million, went missing in February.

BitGrail had reopened trading for all coins except nano on Tuesday, but it shut down about three hours later. In a statement, the company said it had received a request from a Florence court that it suspend operations.

The statement says the court was responding to a request from law firm BonelliErede. Last week, the firm announced it had filed a petition on behalf of a BitGrail creditor asking an Italian court to declare BitGrail bankrupt. Read more here.