{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in the field of social public welfare?","a":"Promoting Clean Energy: Blockchain technology can facilitate transparent, traceable, and decentralized  peer-to-peer transactions, enabling people to safely pay for and purchase green energy without intermediaries, thereby establishing micro-grid systems run by communities."}]}],"pr":"a38a47207e950855123d4bf3469513a6d63f6f12be2178f833bec17089779e57"}