{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in the application of intelligent IoT?","a":"Decentralized distributed ledger: Blockchain technology achieves secure data storage and transmission by using a decentralized distributed ledger, reducing the risk  of single-point failure."}]}],"pr":"124347bdb7a34f54927cdfcd48039bca11b7e4ca4bfc159ccc9324b877c64110"}