Polymarket unveils Protocol V2, with full switchover for new markets on Nov 2

Polymarket has unveiled Protocol V2, a new core architecture that will power every new market starting November 2. The upgrade replaces the Gnosis Conditional Tokens Framework, which Polymarket has used since 2019. What is actually changing The rollout began on October 5, 2026, led by Polymarket’s developers and protocol head Rajath Alex. Polymarket is describing the new system as unified, modular and audited. Every outcome share will now live in a single ERC-1155 positions token contract. ERC-1155 is a token standard that lets one smart contract manage many different token types at once. Under V2, pUSD becomes the only accepted form of collateral backing positions on the platform. The protocol also introduces market-specific exchanges, paired with a router. The router sits in front and directs orders to the right place, which Polymarket says improves both user experience and operational efficiency. The OracleAggregator makes oracles pluggable, supporting providers such as UMA and Chainlink. Rather than being locked into one way of deciding who won, Polymarket can now choose the resolution source that fits each market. A cautious, staged rollout Canary markets, a limited set of liv...