Polymarket rolls out new trading stack and stablecoin - AMBCrypto

Polymarket is upgrading its core exchange infrastructure and introducing a new platform-native stablecoin. It signals a shift toward more scalable, institutional-grade prediction markets.

The update is expected to roll out over the next two to three weeks. It includes a rebuilt central limit order book [CLOB v2], new smart contracts, and a collateral transition from USDC.e to a new token called Polymarket USD, backed 1:1 by USDC.

The move comes as regulatory clarity around prediction markets improves in the U.S., with recent court rulings reinforcing federal oversight of event-based contracts.

At the center of the upgrade is CLOB v2, a redesigned order book system intended to improve how trades are matched and executed.

The new system introduces a simplified order structure, optimized matching logic, and improved fee handling.

It also adds support for advanced signing standards and on-chain attribution, allowing developers to track order flow and integrate more effectively with the platform.

Polymarket said the upgrade will require a full reset of existing order books during migration, with a temporary maintenance window planned ahead of launch.

Alongside the infrastructure upgrade, the platform is migrating its collateral system to Polymarket USD, a new token backed 1:1 by USDC.

For most users, the transition will be handled automatically through the platform interface. However, advanced users and API-based traders will need to manually wrap their USDC or USDC.e into the new token.

The introduction of a platform-native collateral token reflects a broader trend among crypto exchanges. They do this to streamline liquidity and improve trading efficiency by standardizing settlement assets.

Polymarket's upgrade comes at a time when prediction markets are gaining clearer legal footing in the U.S.

Recent court rulings have supported the view that event-based contracts fall under federal derivatives law. It strengthens the position of platforms operating within regulated frameworks.