HashKey: Detailed Explanation of Polkadot Technology, Governance, Applications, and Parachain Progress

This article summarizes and analyzes the progress since Polkadot mainnet launch. In terms of technology, Substrate has been updated to version 2.0, and Polkadot's parachain functionality is coming soon. In terms of governance, Polkadot's on-chain governance has been initiated, but issues of large holder power concentration and low public voting participation still exist. In terms of ecosystem applications, there are already nearly 100 projects developed based on Substrate, with the most concentrated in the DeFi sector.