I tried to withdraw $1.5 million from BS, and ran into a previously unannounced KYC check. After completing it, they let me withdraw the whole amount. They always acted very rapidly and courteously. I have not tried BTC withdrawal now, I have sold all my BTC there because it is ridiculous to think price can stay >600 for long.
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As a global non-central bank-fed currency Bitcoin has more potential than any existing currency.
The quantitative easing policy of the Federal reserve produced $ 85 billion/month, now 75.
Bitcoins since their existence produced just 7.5 billions with a constant decrease in Bitcoin "money printing".
Other central banks are no difference. They pour money into the market with the intention to start inflation to help their economies. Inflation means the values of goods increase. But, according to your links in your posts, you are into silver, therefore very well aware of this. However, silver has reached a yearly production of 24.000 tons x 32.000 x 21 ~ 16 billion per year, trend increasing.
Comparing with central banks, though, silver has upwards potential, too. But it lacks the benefit of payment function and its usage is limited: To industry, overpriced silver coins -sorry they have a payment function - though far lower than their value - and jewelry for personal use. Bitcoins potential is bigger.
And considering the much lower mtgox value now - i'm buying.
Sources:
http://www.reuters.com/article/2014/01/08/us-usa-fed-reverserepo-idUSBREA0717V20140108
https://blockchain.info/en/charts/market-cap
http://minerals.usgs.gov/minerals/pubs/commodity/silver/