{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology?","a":"Decentralized Distribution: Blockchain technology adopts a decentralized consensus mechanism, eliminating the need for a trusted system and reducing operating costs.  Each node jointly participates in accounting, ensuring secure and reliable data that is difficult to tamper with."}]}],"pr":"0494a1648d885ee192da1efd4d4241868720c3c0dd973c9ef44b8a83b6da21d8"}