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I don't think those 10 million households are going to have their problems solved by bitcoin.

Maybe not in the next few years. But people who pay with cash because they aren't allowed to be in this country and don't want a bank account (some portion of the unbanked) might enjoy shopping in the digital world by using some "digital cash".

They can already shop in the digital world with prepaid Visa, Master Card or even AmEx cards. Going after people without bank accounts is big business.

Can they?

I tried to order something online with a prepaid debit card once and it was rejected. I then put in my CC and it worked fine.

Disclaimer: My experiences don't necessarily reflect others.

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