{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of metadata in blockchain?","a":"Data Organization and Management: Metadata helps the blockchain organize different types of data (such as transaction data, smart contract data, etc.) to meet the needs of different scenarios. Meanwhile, metadata can easily manage data versions and updates in the blockchain,  ensuring data consistency and accuracy."}]}],"pr":"a0462918a5418b0a88e719b9a7c22e474c348c93f9541b03e76ee9a1280f4f7a"}