I mined about 200 BTC in 2011 and I must say, they have changed my live. I still have 150, so during the passed 4 years, while bootstrapping 2 startups, those mere 50 bitcoins I sold have meant that I have been able to keep both companies running. Without those 50 coins, I'm not sure how I would have continued. But the most important thing was not the value of those 50 coins. Which really isn't that big a deal. It wa…
This is nothing to do with Bitcoin. You basically won the lottery. Some people mined or bought Bitcoin, it got a lot of media hype so the price sky rocketed, and then your coins were worth a lot of money. If I bought 200 BTC now and waited a few years I doubt I'd have the same experience. I'm happy for you that you got to use that to help you start a business but it was a lottery win.
Why? This is like the 5th or 6th boom bust cycle in Bitcoin and each boom has been bigger than the last. even the current long price decline is not unprecedented.