How a five-second trick let traders drain millions from Polymarket
After months of public warnings from onchain analysts, the prediction market is moving to timeweighted prices to make artificial price pushes too costly.…
Polymarket targets $20 billion valuation as competition heats up in prediction market sector
The blockchainbased prediction markets platform is reportedly returning to investors months after a $15 billion funding round. Source：CoinDesk
Onchain, in court: What happened in crypto legal news this week
A case tied to defunct crypto exchange FTX moves forward, a soldier seeks to dismiss over a Polymarket bet and a former congressman was ordered to pay $35,000…
US judge temporarily blocks Minnesota prediction market ban
The preliminary injunction allows Kalshi and Polymarket US to continue operating in Minnesota while the court considers their challenge to the state law.…
Kalshi, Polymarket win pause against Minnesota's prediction market ban
A federal judge ruled that Minnesota's law criminalizing prediction markets would probably violate the federal Commodity Exchange Act. Source：CoinDesk
Polymarket to challenge France’s nationwide website block
France’s regulator has said the platform still promoted illegal gambling and cited loss, identitycheck and marketmanipulation risks. Source：CoinDesk
France orders country's internet service providers to block Polymarket
The regulator cited concerns over addictive mechanics, a lack of selfexclusion tools, and a high volume of French users bypassing previous financial…
French gambling regulator orders ISPs to block Polymarket
France’s gambling authority has ordered the country’s internet service providers to geoblock Polymarket, citing illegal gambling and market manipulation…
Stanford study says 5-minute Bitcoin prediction markets enable settlement manipulation
Researchers found that Polymarket’s fiveminute Bitcoin prediction markets create incentives to manipulate spot prices around contract settlement, proposing…
Czech Republic tells ISPs to block Polymarket after gambling blacklisting
The Czech Finance Ministry added Polymarket to its blacklist of unauthorized online gambling websites, requiring internet providers to block access within 15…
Why prediction markets like Polymarket and Kalshi often fail the average investor
Big traders don’t always know best. Source：MarketWatch
Wall Street banks tighten prediction market rules for staff as insider fears spread
Wall Street banks, including Goldman Sachs and Morgan Stanley, are restricting employee prediction market trades as insider trading fears spread across…