{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between blockchain and centralized financial institutions?","a":"Strengthening financial supervision: Blockchain technology  can improve the transparency and traceability of financial"}]}],"pr":"245b990b07e6b861de5c4c2701bd66aefadad766a91b7d99ef60396ce2630653"}