{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to conduct cross-chain transactions on the blockchain?","a":"Cross-chain technology based on locked verification: This type of technology shares encrypted keys or  digital signatures between different blockchains to verify the transaction status and prevent double spending."}]}],"pr":"31a3d9b5cda409e3489d91ad8e71c0e4186ef3fad727494a0393dfbc8d05fbf0"}