{"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 message transmission: Based on the cross-chain communication protocol, different blockchain networks can send messages to each other. These messages  may contain cross-chain call requests, data transmission, etc."}]}],"pr":"6dc4c4742657db36100e5a95b965e235a520491648fd71d42774d705569f1c74"}