“POS chain continues to exist and operate the way it does today. And the Polygon zkEVM will be a separate network,” Bjelic said. “We will have two networks running in parallel, with different value propositions, i.e., features and tradeoffs. Each application will be able to decide which level of security, scalability, and transaction fees they prefer, and basically choose the network accordingly.”
Source: https://www.coindesk.com/tech/2023/02/10/polygon-exploring-use-of-zk-technology-for-main-chain-co-founder-bjelic-says/?utm_medium=referral&utm_source=rss&utm_campaign=headlines