PolySwarm is a decentralized threat detection marketplace that leverages a network of security experts and antivirus companies to provide real-time analysis of suspicious files and URLs. By utilizing a crowdsourced approach, it enables rapid identification and mitigation of emerging cyber threats. Participants are rewarded for accurate threat detection, fostering a competitive environment that enhances overall cybersecurity. The platform operates on the Ethereum blockchain, ensuring transparency and integrity in threat intelligence sharing.