{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of cross-chain technology in blockchain?","a":"Facilitate asset circulation and value transfer between different blockchain systems: Cross-chain technology enables assets stored on a specific blockchain to be converted into assets on another chain, thus realizing value circulation and  improving the liquidity and usability of assets."}]}]}