[Blackrock is expanding its push into the crypto derivatives market by advocating its BUIDL token to be accepted as trading collateral] Golden Finance reported that Blackrock, the world's largest asset management company, is reportedly expanding its push into the crypto derivatives market by advocating its BUIDL token to be accepted as trading collateral. According to a Bloomberg report citing anonymous sources, BlackRock, in collaboration with its brokerage partner Securitize, is in talks with major cryptocurrency exchanges including Binance, Okx and Deribit to promote the use of BUIDL as collateral for crypto derivatives.