Cryptocurrency prices jumped after Trump’s surprise announcement he wants the U.S. government to purchase and hold a variety of digital assets in a strategic reserve fund.

A weekend boost for five crypto tokens, courtesy of a social media post from the president, fizzled out by mid-Monday morning.

Donald Trump’s announcement that the US will include three lesser-known digital tokens in its strategic crypto reserve was greeted with skepticism in the industry, with investors questioning the project’s merits and the coins he selected giving up some of their initial gains from Sunday.