Meme coins, which often start as jokes with no real value, are volatile cryptocurrencies that can skyrocket in price if enough people are willing to buy them.

President-elect Donald Trump launched the $TRUMP crypto meme coin, which generated more than $6.27 billion in market capitalization, a 600% rise in one day.

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

But by associating himself so closely with meme coins, some crypto fans worry that Trump hurts his ability to enact reforms

By associating himself so closely with meme coins, some crypto fans worry that Trump hurts his chances to help the wider crypto industry.

Cryptocurrencies launched by Donald and Melania Trump have angered some digital currency advocates and sparked fresh allegations of leveraging the presidency for profit.