Polymarket, one of the largest prediction markets in operation, has reportedly approached the U.S. Commodity Futures Trading Commission about lifting a four-year ban on American users of its main on-chain exchange.

If cleared by the commission, Polymarket’s main on-chain exchange would open to American users for the first time since the company’s 2022 settlement. Bloomberg was first to report on the talks.

The 2022 enforcement targeted Polymarket’s parent company, Blockratize Inc., for running an unregistered platform that let users trade contracts on real-world outcomes. The company paid a $1.4 million penalty, agreed to wind down those markets, and barred U.S. residents from its main exchange.

Three years later, the…