Polkadot Hub Solution - Parity Technologies is building the Polkadot Hub as a solution to fragmentation within the Polkadot ecosystem [1] - The Polkadot Hub aims to provide a unified execution environment, removing boundaries between contracts, governance, and assets [1] Challenges Addressed - Polkadot's modular design, while providing world-class components, resulted in fragmentation across different system chains [1] - This fragmentation made onboarding more difficult for developers [1]