{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain API traders run their own nodes?","a":"Choose an appropriate blockchain technology: First, traders need to understand  various blockchain technologies such as Hyperledger Fabric, Ethereum, etc., and select the technology that meets their needs."}]}],"pr":"60c3572e3706e7db78d3fcc2f60f1f4af31a2a8eebf317bc63fbe686ca7519de"}