{"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":"a451866fb991f6dffd6ba931018b71a31b1e3f336dfdf7a1ca3155c66a991356"}