No collateral "Cash" said Trump
when he says cash he means wire transfer "cash" does not just refer to paper money but money that is untied to assets, real estate, investments etc. Trump was quoted a week ago saying he had $500,000,00 in cash.
https://www.nbcnews.com/politics/donald-trump/trump-claims-500-million-cash-undercutting-lawyers-claims-bond-money-rcna144614