Golden Finance reported that cryptocurrency gamblers on the online gambling platform Polymarket predicted that US President Joe Biden might withdraw from the upcoming election due to his poor performance in the debate with Donald Trump. Gamblers believe that the probability of Biden withdrawing is 38 cents to 63 cents. The prediction startup Manifold also showed that Biden's chances of becoming the Democratic candidate dropped from 94% to 68% in the past day. Market experts pointed out that Biden's health and cognitive problems have aroused widespread concern. Possible replacements include California Governor Gavin Newsom, former First Lady Michelle Obama and Vice President Kamala Harris.