{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the new features in blockchain?","a":"Consensus mechanism: Nodes in the blockchain system need to reach a consensus to verify and record new transactions. This mechanism ensures the  integrity and authenticity of the data stored in the blockchain."}]}],"pr":"6c11b675d47bbe0ec9e2e1f81c959bbbc71a97bcb7181bec997e7d84d2174d88"}