{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology increase transparency and credibility in the field of social public welfare?","a":"Decentralization: Blockchain technology achieves asymmetric encryption  and distributed storage of data through a decentralized network architecture, making the dissemination and storage of information in the network more secure and reliable, and avoiding the data tampering and transparency issues caused by centralized control."}]}],"pr":"4c4c5c888d5a536aa313526b23094d615c1bc8ff837b102da91911682928a840"}