Polymarket which network?
Polymarket uses the Polygon blockchain network. Key details: Polygon - The primary blockchain for all transactions.
Not Ethereum mainnet - Despite both being Ethereum-related. USDC on Polygon - Must use Polygon network for USDC transfers. Low fees - Polygon provides cheap transactions.
Speed - Fast confirmation times. Scalability - Designed for high-volume applications. In March 2026, Polymarket acquired Brahma to further simplify blockchain infrastructure.