Incoming first lady Melania Trump has launched a cryptocurrency on the eve of her husband's inauguration as US president. The announcement comes after President-elect Donald Trump launched the $Trump cryptocurrency. Both coins have risen but have seen volatile trade.

Industry players worry the success of the president’s meme coin will undermine the credibility they have worked hard to cultivate.

President Donald Trump and First Lady Melania Trump have both have issued crypto meme coins that could earn them billions of dollars. The move is raising ethics concerns as the president promotes the cryptocurrency industry while experts say he's in a position to make determinations about it.