https://www.japantimes.co.jp/business/2025/12/21/tech/jr-east-teppay/
Teppay is key to JR East’s growth strategy as Suica e-money loses ground - The Japan Times
Data about shopping and travel habits are essential for the company's real estate and urban development businesses.
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https://www.tokyoweekender.com/entertainment/tech-trends/jr-east-announces-teppay-all-in-one-digital-wallet/
JR East Announces Teppay: A New All-in-One Digital Wallet
jr eastone digitalannounces