Lutnick further asserted that he has "hundreds of millions of dollars of exposure to bitcoin" and predicted that his holding will be worth "billions" in the future.

Among Trump's cryptocurrency proposals is the creation of a strategic bitcoin reserve meant to offset America's $36 trillion national debt.

That idea has gotten support from Wyoming Republican Sen. Cynthia Lummis, who has introduced the "Bitcoin Act." It would mandate that the federal government acquire one million bitcoins over a five-year period.