#MelaniaTrumpLaunchesToken -President-elect Donald Trump launched his own cryptocurrency on Friday, sparking a feverish buying that apparently sent its market capitalization soaring to several billion dollars, followed by an announcement on Sunday that Melania Trump had also debuted her own cryptocurrency. 

In a message posted on his Truth Social platform and X, Trump unveiled the so-called meme coin, which is designed to capitalize on the popularity of a certain personality, movement or viral internet trend.

noting that such products have, in the past, proved speculative and prone to large swings in valuation, both on the upside and downside.

"This is a revival of the meme coin trend we saw in 2021 and 2022, where many young, inexperienced investors got burned by extreme volatility," said Nigel Green, CEO of wealth management firm deVere Group, in an email. "If you're considering getting involved, you need to have a sound, diversified, long-term plan in place first.