{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in the security management of digital assets?","a":"Immutable data: Blockchain  uses encryption algorithms and consensus mechanisms to ensure the authenticity and integrity of data. Once data is recorded on the blockchain, it is difficult to tamper with, ensuring the authenticity and credibility of digital assets."}]}],"pr":"8f90fbd73b6d976079ad2fd394631128e17ee4123e3c5682bff18860600c8739"}