{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The blockchain ecosystem consists of which roles?","a":"Miners: Play an important role in the blockchain  network, responsible for verifying transactions, creating new blocks, and maintaining network security."}]}],"pr":"c9a333daad58f500d90b493b494f5472edfdbd535b6aeb2a5b15e5cb57330417"}