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.

"The reign of terror against crypto is over, and the beginning of innovation in America for crypto has just begun," Sacks said, speaking on Friday at the so-called crypto ball event, intended to drive support for Trump among the crypto community and demonstrate its value to the incoming administration.