Polygon Labs posted that Polygon Miden Alpha testnet v.2 is live. Polygon Miden is a zkVM rollups that allows users to prove their state transitions. The new version of Public Accounts and Notes allows developers to store account or note data transparently on-chain, providing a simpler CLI, introducing SWAP notes and note filters, expanding what developers can build, optimizing storage efficiency, increasing data storage, and refactoring notes, allowing developers to create notes without assets.