{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the requirements for API services of blockchain nodes?","a":"Data real-time: The API service should be able to provide users with  real-time updated blockchain data, such as block height, transaction information, on-chain dynamics, etc."}]}],"pr":"f10f6e5e39a97c1cf47a83ffff012608936a630f03af9538689e876036f340d6"}