A blockchain-based digital identity wallet that stores encrypted versions of ID cards, passports, and academic certificates, allowing users to share only necessary data (e.g., age, not full address) with service providers.
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Smart city intersections where AI-controlled traffic lights adjust in real time to reduce congestion, with digital displays showing waiting times for pedestrians.
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Prompt: Create an English sentence for WeChat Moments that shows the convenience AI brings to daily life, with a sense of warmth.
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