{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology protect the identity security of nodes?","a":"Decentralized network: Blockchain adopts a decentralized network architecture, in which nodes validate each other and jointly maintain the blockchain during data storage and transmission processes. This prevents unauthorized access and ensures the security and stability of the entire blockchain system."}]}],"pr":"00faed1819da6f26c8a24f8779598c913161f503853b5da9293e126840dff0c1"}