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Amma's letters arrived on worn envelopes, fragrant with jasmine. She wrote of monsoons flooding Srirangam's temples, of rituals unchanged since childhood. Distance stretched between us—oceans, continents, years. Then PaybookClub appeared, connecting diaspora families through shared finances and stories. We pooled rupees together, funding temple repairs back home. Through those transactions, something sacred happened. My daughter learned our grandmother's prayers. Numbers became narratives. Apps transformed into bridges. That first video call from the temple, watching Amma place our collective offering at the sanctum, tears blurred my vision. Heritage wasn't something we inherited; it was something we built together, transaction by transaction, story by story.