{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain plugins handle database errors to ensure data consistency?","a":"Data backup: Before handling database  errors, it is essential to backup data in case of data loss. After the backup is completed, data can be restored to its previous state, thereby ensuring data consistency."}]}],"pr":"ff0f3fa2ec789ae260dcd0da869673d11e668e82c3df0db2549403b63de9a0b4"}