{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the solutions to the problem of blockchain energy waste?","a":"Smart grid system: Utilizing digital currencies and blockchain technology to establish a smart grid system that can better predict energy demand, optimize energy distribution and management, and reduce energy waste. For instance, the smart grid adjusts energy  supply based on predicted demand."}]}],"pr":"ec8a8d01a2f3c5d40392d23cdad5912006df7e571a7f6275a577ebaa178de936"}