Bitcoin is the currency of the Internet: a distributed, worldwide, decentralized digital money. Unlike traditional currencies such as dollars, bitcoins are issued and managed without any central authority whatsoever: there is no government, company, or bank in charge of Bitcoin. As such, it is more resistant to wild inflation and corrupt banks.
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I got in very early, as was able to liquidate the majority of my position in various tranches between 12K-17K.
I see the usefulness of the technology, but for now it just appears to be a good opportunity to utilize a swing trading strategy and capitalize on the fickleness of the market.