Single point of failure owning close to $1.7 quadrillion in public securities
Similarly, Cede and Company, a New York City-based partnership of certain employees of DTCC, technically owns substantially all of the publicly issued stock in the United States. Thus, investors do not themselves hold direct property rights in stock, but rather have contractual rights that are part of a chain of contractual rights involving Cede - https://en.wikipedia.org/wiki/Cede_and_Company