{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the interfaces that need to be implemented in the evidence module within a blockchain?","a":"(Please provide the remaining part of the sentence or paragraph to complete  the translation)"}]}],"pr":"754a605d6fdadf573bc8a5bbdd051b7c32c79a1192ced65c7b4d9ee5ec9337cf"}