[Russian economic expert: the pyramid of US debt is on the verge of collapse] according to statistics, by the end of 2022, the size of the US national debt was 129% of its gross domestic product (GDP). Valery Maslinnikov, a professor at Russia's Prykhanov University of Economics, said that the financial pyramid built by Americans on debt is the basis of the country's operation and is constantly building blocks for it with newly issued bonds and derivatives sold. When global demand for US and Western bonds disappears or falls, the financial pyramid may collapse.