{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is the execution of smart contracts a key element in the blockchain architecture?","a":"Autonomy and security: The execution of smart contracts is constrained by the consensus mechanism of the blockchain network, ensuring fair, transparent, and tamper-proof contract execution. This makes smart contracts invaluable for applications in finance, supply chain management, IoT, and other fields."}]}],"pr":"d3f4a973c5cb941d5c3e013a004606d604f5a4ddaaa9038e68c0f6adb7df7034"}