{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the roles of Decorators in Blockchain?","a":"Encapsulate and hide internal implementation details: Decorators encapsulate the specific implementation and expose a concise interface to the caller, reducing the coupling between different modules."}]}],"pr":"d7ca8c2ac80f76608a36e26c046a883356e12965377711ba7304878b0ca20034"}