{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent security vulnerabilities in blockchain?","a":"Choose reliable  trading platforms: Conduct asset storage and transactions on cryptocurrency trading platforms with a good reputation, high security, and comprehensive encryption measures."}]}],"pr":"ce88befab0818a57097164f30ef1105fc7d3be143988a715d28f40bb2c62f724"}