{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of transaction information?","a":"Decentralization: Blockchain adopts a peer-to-peer network architecture, where data is not stored and managed by a central node but is distributed  across multiple nodes throughout the network, reducing the risk of single-point failure."}]}],"pr":"6879b11a394ac4175827bd1587f3ec83f9a812d3c9c8f9bad61f2efde7defe2c"}