an alternative is to sell the currencies to other individuals - coins and cashjojmoney.com

I'm a big fan of the future of cryptocurrency and their potential in the marketplace, but at this point, they are FAR too volatile.

Crypto currencies values skyrocketed, the stock market soared, and even real estate values were through the roof.

ICOs (“Initial Coin Offerings” or “Token Crowdsales”) is a fundraising mechanism for crypto projects.

I think we all need to just say we're invest in cryptocurrency. 

Its speculative, the market is small so one player's actions can have an out sized impact ( Think the host of hedge funds attacking various currencies around the world in the mid 1990's), and you are at the whims of a bunch of non rational players, like Account Closed mentioned with the Brexit voters.

We are not Japanese, we are a society of consumers - It is really hard to cure.Also, Japan is a product-producing country and that why their GDP is high and their ability to devaluate their currency is so limited that deflation is king.

v=WshxmT3Fawo"Derivatives" on any financial institution's books means OPM (Depositor/Investor/Lender/Fed/Treasury) vested deeply in LBOs, "High Yield" Bonds (AKA "Junk"), ETFs, puts/calls in equities/commodities/currencies, and a lot of real "derivatives" (bets based on equations in every manner of index movements) and all other sorts of investments which would make a Depositor or "Investor" run for the hills if it were more clearly described.

However, a 400% markup kinda hurts your 50% currency advantage.

The dollar still holds the plurality position of currencies held in reserves, it is no longer by any means THE reserve currency.