{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve data privacy and security issues?","a":"High-redundancy database：Blockchain technology leverages high-redundancy databases to protect the integrity of information. In a blockchain, multiple copies of the  same data are stored across the network, making it difficult for malicious actors to tamper with or delete data."}]}],"pr":"77b93f0d35d1f28bf88ee584f888f45944a694f16e4b03eebce2a47528177641"}