{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in the application of digital currency transactions?","a":"High transaction efficiency and low cost: Blockchain technology eliminates the intermediary  costs of traditional financial intermediaries, and simultaneously achieves automated execution and settlement through smart contracts, improving transaction efficiency and reducing costs."}]}],"pr":"74e48dd15f1dfdcbe8ebccd9010b134b4b9cc99d72421d34ce648f18444d1045"}