{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the traceability of transactions?","a":"Decentralization: Blockchain adopts a decentralized network architecture, with data stored on multiple nodes, and there is no single central controller. Therefore, during the process of transaction information spreading and storing in the blockchain network, it is not easy to be tampered with or forged."}]}],"pr":"e99da595d12a7de269268caf2f2c4fc55257f686f8f598fd9fb0c4bea3287fd9"}