A bettor earned a substantial sum by predicting the removal of Venezuela's president just before it was officially announced, sparking debate about potential gains made from non-public details of American actions.
Bets placed on the crypto-platform, an online prediction market, that the leader would be no longer in control by the month's conclusion increased in the period preceding President Donald Trump announced on Saturday that Maduro had been seized.
A single trader, which joined the platform last month and made four bets, all on political events in Venezuela, profited a total of $436,000 from a initial bet of over $32,000.
Who placed the bet is a mystery. This unidentified trader had only a blockchain identifier for identification.
Platform data shows that participants estimated the likelihood of a political change at just 6.5% in the afternoon of the Friday before the event.
But the odds had climbed to 11% by shortly before midnight and surged in the first hours of January 3rd, pointing to a rapid movement in positions right before the social media post was made.
"This particular bet has all the signs of a transaction based on non-public details," commented an industry expert.
A handful of other platform users also made significant sums from bets on the same outcome.
Elected officials are growing concerned.
A new rule put forward on the start of the week would prevent federal workers from placing bets on forecasting platforms if they have "material nonpublic information" related to a bet.
Prediction markets have become increasingly popular in the United States, with participants able to bet on everything from sports outcomes to current affairs.
This sector faced scrutiny under the last presidential term. However it has experienced less resistance during the present political climate.
Trading on insider information is a crime in the securities markets, but there are more ambiguous rules in the prediction market arena.
An official representative for a competing service said their site "has clear rules against such activities of any form."
Elena Voss is a seasoned journalist and editor with over a decade of experience in digital media, specializing in global affairs and tech trends.