1. "Stay away from them. By their nature, they are a mirage. One can say with certainty that the end of cryptocurrencies will be bad," — Warren Buffett, head of Berkshire Hathaway.

2. "Bitcoin will do to banks what email did to regular mail," — Rick Falkvinge, founder of the Pirate Party of Sweden.

3. "Bitcoin is unstoppable. It will be everywhere. The world and authorities will have to adapt," — John McAfee, founder of #McAfee.

4. "While most technologies usually automate the activities of employees on the periphery, blockchains automate the center. Instead of taking jobs away from taxi drivers, blockchain removes intermediaries like Uber and allows them to work directly with clients," — Vitalik Buterin, co-founder of $ETH and Bitcoin Magazine.

5. Every informed person should know about bitcoin, as it could turn out to be one of the most important achievements in the world," — Leon Luow, Nobel Peace Prize nominee.

6. "I still think about bitcoin. I haven't come to any conclusion yet — I'm not advocating it, but I'm not rejecting it either. I remember that people were also skeptical when paper money replaced gold coins," — Lloyd Blankfein, CEO #GoldManSachs .

7. "Instant transactions, no waiting for checks and payment cancellations (this will especially appeal to entrepreneurs), no account blockages (beware, PayPal), no fees for international transfers or commissions, no minimum or maximum balances; access from any country in the world, 24/7 operation. No waiting for account approval, account opening in seconds (as easy as registering an email address), working without intermediaries (banks). Bitcoin can be used by both the rich and the poor. It is not subject to inflation or hyperinflation, problems with excessive national debt or banks, and is completely free and voluntary. Bitcoin is the best payment system in the world!" — Trace Mayer, leading expert on $BTC and gold.