Bitcoin Is the Segway of Currency - Matthew O'Brien - The Atlantic - 0 views
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the idea behind Bitcoin is to create a decentralized currency that central banks can't inflate and governments can't tax. Basically, digital gold. And like actual gold, the only way to get new bitcoins is to "mine" for them. That involves running a computationally-taxing program on your computer that mostly generates gibberish, but maybe, just maybe, some bitcoins too
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The key, though, is that mining for more of the virtual currency doesn't create more of it. That's because there's a predetermined number of bitcoins. Specifically, there are around 12 million today, and there will be 21 million in 2040—and no more after that.
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this limited supply means Bitcoin should tend to increase in value against the dollar. But only tend to. See, its deflationary bias means Bitcoin prices will go up and down quite violently. Think about it this way. The supply of bitcoins can't increase much to meet increased demand, so increased demand will make prices soar. And soaring prices will make early adopters try to cash out their winnings—which will send prices crashing back down.
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it's nice to be able to get your money back if things go wrong, but that's not free. The middlemen take their cut. Bitcoin, though, has no middlemen. It's just a decentralized peer-to-peer system. So you can't get your bitcoins back if things go wrong, but there won't be any transaction fees.
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the question is whether anyone will actually use bitcoins to buy things at all. It's not clear why they would when its value can go from $500 to $900 in a matter of hours. Nor when so many people treat it as an inflation hedge. They think of Bitcoin more as an investment than as money. Indeed, researchers from the University of California-San Diego and George Mason University found that 64 percent of all bitcoins are being hoarded in accounts that have never been spent.