{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the challenges of blockchain technology in data sharing and privacy protection?","a":"Data Privacy: Although blockchain technology has decentralized and secure features, some sensitive information may still be leaked during the data sharing process. Due to the openness of blockchain, anyone can view the  transaction records on the blockchain, which may lead to violations of user privacy."}]}],"pr":"7b0fc6201e96760b56d021d62d478107f504978470eb4aacc44380b09cc289e7"}