Polymarket hires Chainalysis to bring Wall Street-level regulation to crypto prediction markets

Golden Finance reports that on May 1st, prediction market platform Polymarket partnered with blockchain analytics firm Chainalysis to monitor trading activity and enforce market rules in response to concerns over insider trading and market integrity.
The two parties announced on Thursday that Chainalysis will provide a comprehensive set of tools, including investigation software and on-chain monitoring systems, to identify suspicious behavior. Their model aims to detect patterns consistent with “trading on non-public information.”
This move comes amid rising regulatory scrutiny of prediction markets. Critics argue that platforms like Polymarket may be vulnerable to influence from insiders (such as political staff or corporate employees) who could place “information advantage bets” before information is publicly disclosed. In traditional financial markets, such behavior is illegal and strictly regulated, but regulation in crypto prediction markets remains unclear.
Polymarket’s response is to leverage the transparency advantage of blockchain. Since all transactions are recorded on-chain, trading activities can be traced and analyzed retroactively. By integrating Chainalysis’s data tools, the company hopes to identify suspicious transactions in real-time and provide relevant evidence to regulators when necessary.