Neo Launches MainNet Upgrade to Combat MEV with Anti-Frontrunning Protections
Neo has deployed its NEO X MainNet v0.4.2 upgrade, introducing consensus-level safeguards against Maximum Extractable Value (MEV) exploitation. The update, now active at block height 3,749,760, follows successful Testnet trials and marks a strategic push toward equitable transaction ordering.
Toxic MEV strategies—including sandwich attacks and frontrunning—have long functioned as hidden levies on decentralized networks. By implementing anti-MEV measures, Neo aims to realign its ecosystem with Core Web3 principles: censorship resistance, user protection, and verifiable neutrality in block production.