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Water(水ーみず）:Is it safe to drink tap water? Yes, Tap water meets the water quality standards based on the Waterworks Law, so you can safely drink it a...

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Kokudaka Project: Where Rice Meets Blockchain in Japan

In Japan’s Edo period, rice wasn’t just food—it was currency. Social status and wealth were measured in koku, a unit based on how much rice you could produce or possess. Samurai were paid in rice. A daimyo with one million koku was considered incredibly powerful. This historical relationship between rice and value sparked a bold idea in the minds of Yabe-san and Nagahashi san: What if rice could become currency again—this time, powered by blockchain? Their answer: Kokudaka Project, a local ec...

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Kokudaka Project: Where Rice Meets Blockchain in Japan

In Japan’s Edo period, rice wasn’t just food—it was currency. Social status and wealth were measured in koku, a unit based on how much rice you could produce or possess. Samurai were paid in rice. A daimyo with one million koku was considered incredibly powerful. This historical relationship between rice and value sparked a bold idea in the minds of Yabe-san and Nagahashi san: What if rice could become currency again—this time, powered by blockchain? Their answer: Kokudaka Project, a local ec...