Cryptocurrency fans may have gotten more than they bargained for when the president and his wife launched a pair of tokens last week.

Just days ahead of his return to the White House, President Trump and his wife, Melania, launched a pair of meme coins that have skyrocketed in value and earned them billions of dollars, at least on paper.

Trump's crypto tokens are raising ethical and geopolitical concerns--and are worrying even Trump's staunchest pro-crypto supporters