"We are in the process of communicating with relevant parties and fully committed to working this out," Su Zhu, the co-founder said in a tweet, without going into further detail.

The Singapore-based hedge fund was set up in 2012, as per its website.

The rumours of funding pressures come as bitcoin hit a fresh 18-month low, extending falls triggered after major crypto lender Celsius Network froze withdrawals and the prospect of sharp U.S. interest rate rises shook the volatile crypto asset class.

(Reporting by Vidya Ranganathan; editing by Jason Neely)