ZachXBT: Suspected Attack on Polymarket, the World’s Largest Prediction Market


According to a ZachXBT community alert, Polymarket’s UMA CTF Adapter contract on the Polygon chain is suspected of being attacked. The incident has resulted in losses exceeding $520k.


The affected contracts are 0x871D7c0f9E19001fC01E04e6cdFa7fA20f929082 and 0x91430CaD2d3975766499717fA0D66A78D814E5c5.


The attacker’s address is 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91.