{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the development directions of blockchain in 2016?","a":"Smart contracts: The development of smart contract technology in the blockchain field has attracted widespread  attention. Through programming to achieve automatic execution of contract terms, it provides innovative solutions for industries such as finance, insurance, and supply chain management."}]}],"pr":"47f54f38dc76c1404072702e8d2c84c492ac2e452a1d94699841505f8eff00af"}