{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the types of event attribute types in the blockchain?","a":"Smart Contract Events: These events are related to smart contracts on the  blockchain, including contract deployment, contract calls, and contract."}]}],"pr":"1ac71b8e36572256355454f4d3da8be35685efa666b7f314d7351b368aa079b1"}