Http://(Crypto. com) and Deribit will accept BlackRock's BUIDL fund as collateral According to Forbes, http://(Crypto. com) and Deribit will accept BlackRock's tokenized fund BUIDL as collateral, allowing institutional clients to use it for spot, margin, derivative, and over-the-counter (OTC) trading. This provides a revenue generating, blockchain based native version of US treasury bond bonds, with an annual return of 4.5%.