{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do the security mechanisms of blockchain counter the behavior of malicious nodes?","a":"Decentralized Structure: Blockchain adopts a decentralized network structure, where all nodes participate in the maintenance and verification process of the  blockchain equally."}]}],"pr":"25c1236a640c936daa285c8f30ce0d067bfac6b1e6f26f2e0dc5fd08eac5be3f"}