{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to change the authorized extractor for a voting account in a blockchain?","a":"Find the authorized extractor of the current voting account: First, you need to find the authorized extractor used by the current voting  account. This can usually be completed by querying relevant data on the blockchain or consulting relevant platforms."}]}],"pr":"f4d6ce8a8976a831426ef39f721875a37e06f1cd865e79bca419169488de3321"}