{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How promising is the application of blockchain technology in the field of data exchange and sharing?","a":"Decentralized Data Ownership: Blockchain technology  allows data owners to store data on a distributed network rather than centralized institutions. In this way, data owners can better control their data and protect the security and privacy of the data."}]}],"pr":"db45032ddbd0ae8a0f7fd57fa4ff9dd24d7cf6cde942a12631c5b698fcdb14f5"}