{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of art trading?","a":"Digital Art Copyright Protection: By creating a unique digital identity for each digital artwork through blockchain technology, recording key information of the artwork, such as the creator, creation time, and copyright information, etc., ensuring the authenticity and uniqueness of the  artwork's identity."}]}],"pr":"56feff516fede3837cb4fea17dd2228f8713f8ee17a4352f017c1e76f199067e"}