{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data security?","a":"Decentralization: Blockchain adopts a decentralized network architecture,  where data is not managed by a single central institution, but is distributed across multiple nodes. This decentralized feature ensures the decentralization and fairness of data, reducing the risk of data tampering."}]}],"pr":"38bafda7d484f61ecf38300d372b643cb6de7e37c2f39a3e666b747e4cbe9825"}