{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of cross-chain technology in blockchain?","a":"Cross-chain technology promotes innovation and competition among  blockchain projects, encouraging the"}]}],"pr":"feac415b269f50bbdd0ed4541f803add1c137ac74d24ebdb237010e734704153"}