{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the recommendations for blockchain validators to execute an upgrade process in case of double-signing risk?","a":"Update software promptly: Relate to the underlying technology of blockchain, relevant  software should be updated and upgraded in a timely manner to fix potential security vulnerabilities. Additionally, stay informed about research findings on double-spending risks in the industry, and adjust and optimize according to the actual situation."}]}],"pr":"d5d74299f79905f454295251cd4b5da2237b1a5583517a81f45f18da62c89379"}