{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to obtain real-time data in a blockchain?","a":"Subscribing to blockchain data sources: By subscribing to blockchain data sources, you can receive real-time transaction and event information on the blockchain. For example, you can subscribe to Ethereum's RPC (Remote Procedure Call) interface or Web3.js  library to obtain real-time blockchain data."}]}],"pr":"79b483e42ccf747c56d49eab476a30821ec38df44f69677728426e437a8d2673"}