The odds of President Joe Biden finishing his tenure dropped dramatically on a cryptocurrency-based prediction market as the 81-year-old announced withdrawal from the 2024 presidential race. What Happened: Polymarket, touted as the world’s largest prediction market, saw odds of Biden completing the rest of his term dip from 75% to 68% in the last 24 hours. The odds were stacked in Biden’s favor until June 27, with over 90% chance of finishing the tenure. However, the below-par performance by the incumbent during the debate, caused cryptocurrency bettors to go the other way. Meanwhile, despite …