Romania's National Office for Gambling (ONJN) has blacklisted Polymarket, a blockchain-based prediction market, for operating unlicensed crypto gambling.
The decision was made on October 29, 2025, after an increase in crypto wagering linked to the country's recent presidential and local elections.
No comment from Polymarket was available at the time of the decision.
Author's summary: Polymarket banned in Romania for unlicensed crypto gambling.