• But the affair also points to more serious problems with the very concept of smart contracts.
• Imagine a contract that gets data from elsewhere and then takes action-an agricultural-insurance policy, say, that retrieves weather data and pays out automatically if there has been no rainfall.
• If smart contracts spread widely, you would take away much of the flexibility that smooths the economy’s functioning.
• Fans of smart contracts should curb their enthusiasm.
• It also allows users to “bake in” information, including the precise instructions needed for smart contracts.

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