A trader profited close to $500,000 on the ouster of the Venezuelan leader just before it was officially announced, leading to inquiries about whether someone profited from inside knowledge of American actions.
Bets placed on the crypto-platform, a crypto-powered platform, that Nicolás Maduro would be out of power by the month's conclusion increased in the hours before Donald Trump declared on January 3rd that the president had been taken into custody.
A particular user, which registered on the site recently and took four positions, all on political events in Venezuela, earned over $436K from a initial bet of $32.5K.
The identity is unknown. The anonymous account had only a blockchain identifier for identification.
Market statistics shows that participants assessed the probability of a political change at just under 7% in the afternoon of Friday, January 2nd.
However these probabilities had climbed to 11% by shortly before midnight and spiked dramatically in the morning of the next day, indicating a sudden change in market sentiment immediately prior to the social media post was made.
"This particular bet has all the signs of a bet based on non-public details," said an industry expert.
Several of other platform users also earned large payouts from similar wagers.
Politicians are starting to take note.
A new rule put forward on the start of the week would prevent government employees from placing bets on forecasting platforms if they have "material nonpublic information" related to a market.
Prediction markets have surged in popularity in the past few years, with users able to wager on everything from sports to political events.
Prediction markets encountered regulatory challenges under the previous administration. Yet it has received a warmer welcome during the Trump presidency.
Using confidential knowledge is illegal in the traditional financial markets, but there are less oversight in the event betting industry.
A spokesperson for a competing service said their site "strictly forbids trading on insider information of any form."
Lena Visser is techjournalist met focus op startups en digitale transformatie in Eindhoven.