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Forget about the developing world.

I'm an American living in Europe. My money is in the US banking system and in crypto.

There's no easy way for me to "Venmo" money to my friends here, I'd have to use an international bank transfer which would take over a week and cost high fees.

But with my friends in crypto: I can just transfer them Dai. It takes about 15 seconds and costs less than a dollar (and will get cheaper with things like Eth2)

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And what about the costs of then converting eth for each person to a useable currency? What if you were to make a mistake and send money to the wrong person? What if someone hacks into whereever you are storing your eth and you lose them?

I mean I get what you are saying, but you just leave out all the pesky little details which at the end of the day are very important and why there are costs associated to banking.

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