{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of token transfers in a blockchain?","a":"Decentralized network: Blockchain employs a decentralized network architecture, storing data on multiple nodes, thereby avoiding security vulnerabilities of  centralized services and reducing the success rate of hacker attacks."}]}],"pr":"a589147eaeb45473f07fa78da7248645af96661a841dd6d3c5e3789b5674c6c8"}