FTX's trading arm has sued Grayscale in bid to claw back $250 million to repay the crypto exchange's customers

• FTX's sister trading firm Alameda Research sued crypto investment firm Grayscale on Monday.
• The failed crypto group's new bosses want to recover losses from trusts that track bitcoin and ethereum.
• FTX aims to recover over $250 million for its customers and $9 billion for Grayscale Trust shareholders.

FTX's trading arm is suing crypto investment giant Grayscale in a bid to claw back at least $250 million to repay customers who lost money when the crypto exchange collapsed late last year.