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あらすじ・解説
The costs of the paper check system – both in time and money – have been with us for centuries. But there’s a new technology called blockchain that looks as though it could provide a solution, with an online ledger that’s universally accessible and completely transparent. Blockchain also can't be hacked or altered and costs next to nothing. That may sound too good to be true, but a look back at how the paper check system was improved by the rise of digital money demonstrates that what sounds like a revolution today is often commonplace tomorrow. And blockchain may be the key to unlocking the future of money.