{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to securities trading?","a":"Decentralized trading: Through the principle of distributed ledgers, blockchain technology  has achieved a decentralized trading model, eliminated the intermediary links in traditional securities trading, and reduced transaction costs."}]}],"pr":"40b07e28f8ca5a460da7612efda33ce5c1ac88d9aada2ec368a9c533a0b5e69f"}