{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The steps for detecting duplicates in chain-based data are as follows:","a":"Data acquisition: Firstly,  extract the involved data from the blockchain network, which may include transaction records, account information, smart contract events, etc."}]}],"pr":"d8e52978f9fafe52b784cc3128cf7c5d4a4ba85a8ca586a8ae4de8a4175a2251"}