Polymarket
Congress hits Polymarket and Kalshi with a massive insider trading probe
Rep. James Comer is demanding internal records from the prediction market CEOs, warning that government employees could be using classified information to make “huge profits”.
ZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safe
Blockchain investigator ZachXBT has highlighted a suspected security breach involving Polymarket, the world’s largest decentralized prediction market platform.
Polymarket aims for prediction market approval in Japan by 2030
Mike Eidlin, head of Japan at cryptocurrency exchange Jupiter, is leading Polymarket's efforts, according to reports.
India cracks down on prediction markets: Polymarket goes dark, Kalshi could be next
Polymarket has gone dark in India and as per local media reports, Kalshi could be next.
SpaceX's $2T IPO reveals huge Bitcoin bet
SpaceX filed its S-1 with the SEC, revealing 18,712 bitcoin on its balance sheet and a target valuation of up to $2 trillion. If it hits the upper end, the listing would surpass Saudi Aramco as the largest IPO in history and push Elon Musk toward becoming the world's first trillionaire. CoinDesk's Jennifer Sanasie hosts "CoinDesk Daily."
Crypto prediction markets are turning into dangerous national security risks, and Congress wants to ban them
Bubblemaps investigators led by Nicolas Vaiman, discovered 80 bets on Polymarket with a 98% win rate that he said is statistically impossible to achieve.
U.S. CFTC secures deal with National Hockey League on prediction market safeguards
A new arrangement has been set between the derivatives regulator and professional hockey, following on the heels of a similar baseball agreement.
Polymarket moves to list parlays while SEC seeks public input on prediction market ETFs
The "combinatorial outcome contracts" would resolve if every part of an underlying contract resolved, according to a filing.
Polymarket unlocks $5 trillion private market for retail traders, previously reserved for elites
Polymarket’s new private-company prediction markets let retail traders bet on startup milestones once reserved for Wall Street insiders.
Polymarket turns to Chainalysis as insider trading concerns mount
A nonprofit analyzed 435,000 Polymarket contracts and found longshot bets on military outcomes succeed at rates over 50% — five times higher than other political markets. Eight wallets turned $164,000 into $1.8 million in the hours before the June 2025 Iran strike. CoinDesk's Jennifer Sanasie hosts "CoinDesk Daily."
