{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to decentralized trading of digital assets?","a":"Asset custody: Placing asset custody on the blockchain ensures the security and transparency of user assets, avoiding  the security risks of centralized exchanges."}]}],"pr":"bfb681a934000f2298265ae43ae8ef8b85a3fefcb82696451ed8d082ef501164"}