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Amma traced the Tamil Brahmi characters on her grandson's screen, her weathered fingers trembling slightly. He'd created a blockchain record of their family recipes, each ingredient logged in the ancient script she'd taught him as a child. "Why stellar?" she whispered. "Because it connects everyone, Amma. Diaspora families everywhere can access our stories now. Your knowledge won't disappear." She watched recipes transform into luminous data points, bridging continents. Her great-granddaughter in Singapore smiled from the video call, holding ingredients. For the first time, their scattered family felt woven together, timeless traditions meeting tomorrow's technology, preserved in light.