According to Foresight News, the European Securities and Markets Authority (ESMA) is currently reviewing the blockchain Maximum Extractable Value (MEV) to determine if it constitutes market manipulation. At present, ESMA has listed the MEV strategy as a potential suspicious activity and is consulting on specific guidance. The deadline for public feedback is the end of June. The review process is part of ESMA's ongoing efforts to monitor and regulate the use of blockchain technology in the financial markets. The outcome of this review could have significant implications for the use of MEV in the European market.