{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the situations in a blockchain that can lead to failed signature verification and updating of the validator set partitioning conditions?","a":"Verifier node failure: When  a verifier node fails and is unable to perform verification and signing tasks normally, it can lead to the inability of the blockchain system to operate normally."}]}],"pr":"f69457ee2ae43119407ada9104a66fee1eb4ff23d54ea9db92a58791a17cf5d6"}