Pretty much no matter how you shake it, there's scammers everywhere, fakecoins abounds, and liquidity transfer from $coin to paper fiat currency is fraught with dangers.
Look at the coinbase horror stories - it's now well established if your money is stuck there, you must get the help from having a high post here on HN if you want a reasonable response.
Long story short: some people will make a mint. A lot of people will lose their shirts. It's a repeat of the stock market of the 10's and 20's, right before the foundation of the SEC and the controls we now criticise.
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Edit: aaand here comes the -1's. I hit a nerve here from the looks of it.
1. Coinbase: https://news.ycombinator.com/item?id=16261136
2. Almost 1400 altcoins in existence. https://www.justcryptonews.com/120/how-many-altcoins-are-the...
3. "Investors" mortgaging their house to buy bitcoin. http://fortune.com/2017/12/12/bitcoin-investors-mortgages/
4. History of the SEC: https://www.sec.gov/Article/whatwedo.html ----
Companies publicly offering securities for investment dollars must tell the public the truth about their businesses, the securities they are selling, and the risks involved in investing. --- WHICH ISNT BEING DONE
People who sell and trade securities – brokers, dealers, and exchanges – must treat investors fairly and honestly, putting investors' interests first. --- WHICH ISNT BEING DONE