{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validation nodes in blockchain ensure network security and stability?","a":"Decentralization:  Blockchain adopts a decentralized network architecture, with data storage and processing distributed across a large number of nodes. There is no single central node, thus reducing the risk of network attacks."}]}],"pr":"56d785529ddb7ebca22bfe69eef8a0f31c9e69c113d3b3f9fe0d49d6a82b0880"}