Topic Archive

#Polymarket

37 Stories Found

Coins•11h ago

House Oversight Chair Seeks Ban on Government Officials’ Prediction Market Bets Amid Insider Trading Concerns

Key Highlights Four of the five prediction market platforms provided substantial information about their surveillance systems. Polymarket and Kalshi have strengthened procedures for monitoring suspicious trading activity. Congress is considering broader restrictions on government-related prediction market trading and stronger regulator-platform information sharing. Prediction Markets Face Scrutiny Over Surveillance and Government Trading Four of the five ...

2 min readRead

Coins•20h ago

Louisiana Judge Orders Sweeping Restraining Order Against Kalshi, Polymarket, Coinbase, and Other Prediction Market Operators

Key Highlights A Louisiana court has temporarily barred Kalshi, Polymarket, Coinbase, Robinhood and affiliated entities from offering prediction market contracts to state residents without a valid gaming license. The order prohibits the companies from operating, listing, accepting, settling, brokering or facilitating event contracts involving Louisiana residents. Covered activities include contracts tied to sports, elections, awards ...

3 min readRead

Coins•Nov 12, 2026

Kalshi Ends Donald Trump Jr.’s Advisory Contract Over 1789 Capital’s Polymarket Investment

Key Highlights: Companies in the prediction-market sector compete for users, trading volume, liquidity and market share. Donald Trump Jr. previously received an equity stake in Kalshi reportedly valued at about $300,000 when he joined the company as a strategic adviser. Democratic lawmakers are challenging prediction markets and the Commodity Futures Trading Commission’s defense of sports-related ...

3 min readRead

Coins•Nov 12, 2026

Kalshi Ends Donald Trump Jr. Advisory Deal Over Polymarket Conflict of Interest

Key Highlights: Kalshi has officially terminated Donald Trump Jr.’s contract as an advisor. The decision to part ways stems directly from Trump Jr.’s affiliations with competitor platform Polymarket. The move unfolds while prediction market operators face intensifying legal challenges from state regulators over illegal betting allegations. Kalshi Part Ways with Donald Trump Jr. Over Polymarket ...

3 min readRead

Coins•Nov 12, 2026

Louisiana Attorney General Sues Kalshi, Polymarket, Robinhood, Coinbase, and Gemini Over Prediction Markets

Key Highlights Louisiana is seeking an immediate temporary restraining order and injunction against Kalshi, Polymarket, Robinhood, Coinbase, and Gemini. The state argues that the platforms’ sports, awards, and election contracts constitute unauthorized gambling under Louisiana law. Kalshi and Polymarket maintain that the federal Commodity Exchange Act preempts Louisiana’s gambling rules, leaving the dispute unresolved as ...

5 min readRead

Coins•Nov 9, 2026

Elizabeth Warren Targets Prediction Markets for Crackdown as Senate Banking Chair

Key Highlights: U.S. Senator Elizabeth Warren and Senator John Curtis raised bipartisan concerns over insider trading and market manipulation on Kalshi and Polymarket election-related contracts. Platforms face increased federal scrutiny over allegations of candidates wagering on their own campaigns and insiders trading on nonpublic polling data. As Warren prepares to chair the Senate Banking Committee, ...

5 min readRead

Coins•Nov 5, 2026

Polygon Proposes Hard Fork to Recover $7M Stolen from Binance and Polymarket

Key Highlights: A proposed Polygon Improvement Proposal (PIP) seeks to recover over 70 million stolen $POL tied to late-October security incidents involving Polymarket and Binance. The proposal plans to zero out five blacklisted exploiter addresses and credit matching funds to verified recovery accounts without altering the total supply of $POL. Polygon validators and developers will ...

4 min readRead

Coins•Nov 1, 2026

Polymarket to Refund $3.9 Million Following Third-Party Script Compromise

Key Highlights: Polymarket confirmed an October 29 security incident stemmed from a compromised third-party performance-monitoring script that hijacked active user sessions. Total refunds reached $3.9 million, encompassing $2.7 million in direct attack losses and $1.2 million incurred from the subsequent trading pause. The platform stated that 95% of impacted user wallets were refunded in full ...

4 min readRead

Sports•Oct 30, 2026

NFL Forces Saquon Barkley to Sell Polymarket Stake Under League Gambling Rules

Key Highlights: Philadelphia Eagles running back Saquon Barkley has divested his equity stake in prediction market platform Polymarket. The move was prompted by the NFL Gambling Policy, which restricts covered personnel from investing in platforms offering sports trading. Barkley confirmed the divestment directly to Front Office Sports after league regulations barred him from holding the ...

3 min readRead

Coins•Oct 29, 2026

Crypto Security Alerts: Polymarket Targeted by Hackers as Ledger Suffers Data Breach

Key Highlights: Polymarket froze an attempted $750,000 withdrawal during a breach confined strictly to its global platform, leaving Polymarket US completely unaffected. All impacted users will be fully reimbursed, while UK law enforcement investigates the incident linked to UK-headquartered DebugBear. Separately, Singapore police revealed a compromise in Ledger’s local supply chain, resulting in $2.7 million ...

3 min readRead

Coins•Oct 29, 2026

Polymarket Restores Trading and Pledges Refunds After Estimated $2.7M Breach

Key Highlights: Polymarket has restored trading on its international platform following a security breach traced to an external third-party service provider. Blockchain analytics platform Bubblemaps estimated that roughly $2.71 million was drained across 712 deposit wallets and redirected toward attacker-controlled addresses. Polymarket pledged full reimbursement for affected traders, though a formal timeline and claims procedure ...

3 min readRead

Coins•Oct 29, 2026

Polymarket Suspends Trading Following Third-Party Breach and User Losses

Key Highlights: Prediction market platform Polymarket temporarily suspended trading following a security compromise involving an external third-party provider. The breach affected account balances on Polymarket’s international venue, with several users reporting unauthorized asset withdrawals on X. Polymarket announced that the underlying vulnerability has been resolved, affected users will be made whole, and the incident has ...

3 min readRead