I'd like to add: 5. Proof of work increases energy usage, and increases the price of energy, making things like burning coal even more profitable than it shou

I'd like to add: 5. Proof of work increases energy usage, and increases the price of energy, making things like burning coal even more profitable than it should be. 6. Lack of regulation on online wallet holders. There is no FDIC on hosted coin wallets. Mt. Gox died a horrible horrible death where people lost tons of money, and even though it acted like a bank, there was no regulation on those hosted wallets. 7. Lack of regulation in the exchange markets. This allowed the rise of "shitcoins." (See "Shitcoin and Buttcoin": https://www.naturalnews.com/counterthink/Shtcoin-Buttcoin.html https://www.naturalnews.com/counterthink/Shtcoin-Buttcoin.ht... ) 8. Coins are generally speculative in nature, instead of making their money charging for exchanging of money (like ATMs do) or to transfer money (Bank wire transfer). The business is built on hoping their coin becomes popular. 9. Blockchain has become a cult, where a large segment of society see the newly minted millionaires, and refuse to confront larger issues with blockchain in general. They literally have their reality distortion fields up to 11.