StarkWare has launched OffMarket, a service designed to let Polymarket users trade without publicly linking positions to their accounts. According to NS3.AI, the product has been available in a limited release since August, and deposits are currently capped at $1,000 USDC per account.

A StarkWare spokesperson said transaction sizes or timing could still reveal traders' identities. The service has no formal partnership with Polymarket and follows Polymarket's geographic restrictions, including the ban on U.S. users. StarkWare said independent compliance firm Financial Privacy Inc. holds a viewing key for legally authorized transaction disclosures, but it cannot access users' funds.