{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve transaction efficiency?","a":"Decentralization: Blockchain technology uses  distributed ledgers, eliminating the participation of intermediary institutions in traditional transactions, and reducing the trust and time costs in the transaction process."}]}],"pr":"c14960d493f09ae6a889d2c817c7f53566877ef4aa7a748566b430232e442427"}