CASTLE

https://www.castleisland.vc/

https://www.zerohedge.com/markets/dear-wallstreetbets-hedge-funds-are-very-very-short-bitcoin

"Here we respectfully bring to the attention of r/wallstreetbets something they may have missed in their search for shortable equities: move to futures, where on asset stands out. According to the CFTC's latest Traders in Financial Futures report, the net short position in bitcoin futures is now the biggest it has ever been."