Kalshi Contract Mispricing After Exchange Outages: Exploiting Stale Pricing in Reopened Markets

A regulated prediction market experiences a system outage lasting several hours. Traders monitoring event contracts notice that when the platform reopens, prices for certain contracts lag behind external information or observable market movement elsewhere. For a brief window—sometimes minutes, occasionally longer—a contract might trade at 45 even though new data released during the outage should…

Fake Polymarket Apps erkennen: Warum nur die offizielle Website sicher ist

Die Popularität von Polymarket als größter Plattform für Prognosemärkte hat auch Kriminelle angezogen. Gefälschte mobile Apps, betrügerische Websites und Phishing-Links werden täglich verbreitet, um Nutzer dazu zu bringen, ihre Anmeldedaten oder Private Keys preiszugeben. Ein Benutzer, der glaubt, eine legitime Anwendung herunterzuladen, kann stattdessen Malware installieren oder einer Website vertrauen, die seine Wallet-Verbindung abfängt und…

MetaMask browser extension: what to download, how MetaMask Swap works, and five myths that keep U.S. Ethereum users from making better choices

Surprising fact to start: many users who install MetaMask see a zero balance in the extension while their address shows funds on Etherscan. That discrepancy is not usually a “mystery hack”—it tends to be configuration, network, or token-detection related. Which matters, because installation decisions are often driven by fear or false assumptions. This article walks…