Kalshi is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed May 4, 2026; most recent activity June 6, 2026.
On May 4, 2026, onchain investigator ZachXBT reported that Polyarb, a site posing as a prediction market platform, is operating an active wallet drainer. This malicious tool disguises a harmful smart contract approval…
Polymarket has launched an internal investigation into suspected corporate espionage by rival Kalshi, alleging that Kalshi has copied its product launches and may be surveilling its offices in Manhattan. The accusations…