{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of blockchain technology in the second-hand transaction market?","a":"Enhancing transaction  transparency: Blockchain technology can completely record housing transaction information on the blockchain, enabling both buyers and sellers to clearly understand each step of the transaction process, thereby improving transaction transparency."}]}],"pr":"593e8cac5a0a1b06b82be7b2eadd9fe7b2177e7afb960e27f7762d0055374ce1"}