A blockchain DID system for refugees, storing verified personal information (e.g., family ties, medical history) on a secure network, enabling access to aid and resettlement services without physical documents.
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AI-powered air quality monitors installed on street lamps, sending real-time pollution data to a city app that suggests low-smog routes.
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Prompt: Create a WeChat Moments English sentence about the future of smart transportation, full of expectations for the future.
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