{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is cross-chain calling of smart contracts implemented in blockchain technology?","a":"Cross-chain communication protocol: In order to facilitate communication between different blockchain networks, a set of cross-chain communication protocols need to be established. This protocol  defines the data format, interface specifications, and transmission formats required for cross-chain calls, ensuring that each blockchain network can understand and communicate with each other."}]}],"pr":"b9483455a1497c3d8a6e15fbfe02e21234d58495ec39c1a9d1f1294577dae6d0"}