Polymarket Announces Trading Engine Overhaul and USD Stablecoin

Polymarket, a leading onchain prediction market platform, announced plans Tuesday for its most significant infrastructure upgrade since its inception, set to roll out over the next two to three weeks. The overhaul includes a rebuilt trading engine and the launch of a new stablecoin, Polymarket USD, designed to enhance efficiency and accessibility for traders on the Polygon blockchain.

At the core of the upgrade is the CTF Exchange V2, a redesigned central limit order book that combines offchain order matching with onchain settlement. This hybrid model aims to optimize performance for high-volume event markets by simplifying order structures, improving matching logic, and reducing gas costs associated with transactions. The platform will also update its smart contracts to support EIP-1271 signatures, enabling smart contract wallets and multisig setups to participate directly without relying on traditional accounts. These changes are intended to lower barriers for institutional users and advanced traders, according to platform documentation.

Complementing the trading enhancements is Polymarket USD, a native stablecoin pegged 1:1 to USDC and backed by Circle's reserves. It replaces...