{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the recommendations for verifiers to mitigate the dual-signature risk in blockchain?","a":"Regular software updates: Validators should  pay attention to the update status of blockchain-related software and ensure that the version they are using is the latest to obtain the latest security protection and function optimization."}]}],"pr":"93daeeaaf78579e04b1e0f6616fc4ba7351293d0b442c6a5432c9d5b9125ae7b"}