{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in data storage and transmission?","a":"Consensus mechanism: Nodes in the blockchain  network reach consensus through mechanisms such as proof of work and proof of stake, ensuring the security and integrity of data transmission."}]}],"pr":"2be14729dbc1c09875551f813968e53057a20ead2c6eeb5927713f0331517bec"}