Polymarket what blockchain?
Polymarket is built on the Polygon blockchain. Key blockchain details: Polygon network - Polymarket uses Polygon (MATIC) for all on-chain transactions and smart contracts.
Low transaction costs - Polygon provides fast and cheap transactions compared to Ethereum mainnet. USDC integration - User deposits and trades use USDC stablecoin on Polygon. Smart contracts - All trading mechanics are handled via Polygon smart contracts.
In March 2026, Polymarket acquired Brahma to simplify its blockchain infrastructure. The platform chose Polygon for its scalability and low fees which are important for high-frequency trading.