{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent cheating and fraud in blockchain?","a":"Decentralization: Blockchain adopts a decentralized network architecture, where data is not managed by a single central node but is distributed across multiple nodes. This makes it impossible for any single node to modify the data alone, thereby reducing the risk of fraud and cheating."}]}],"pr":"b67f1b04a3f94a6f844eb4796ac40db729b6de0fd0288dbc2a73ace06b129174"}