{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of Ethereum smart contracts?","a":"Decentralized Applications (DApp): Smart  contracts can be used to develop decentralized applications, such as decentralized financial (DeFi) services, exchanges, wallets, casinos, etc."}]}],"pr":"2ad7806d4bf7245f30364b710252fcf9f4749234190b8c3e4d9377f2c09c8c1b"}