{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the implications of blockchain technology for social public welfare causes?","a":"Blockchain technology can reduce transaction costs by eliminating intermediaries, making it more convenient and cost-effective for  donors to participate in public welfare activities."}]}],"pr":"1a73005e25bc86996d58b86da3aba9bb9dc116423cd049ebf080379f532d3ab6"}