It is an investment in a new payment system. There is an idea behind it.

Certainly there will be setbacks, just as there are successes.
Some might even think: buy some Bitcoins and Co. and be rich at the end of the year. But that does not work.
In any case, I'm curious if I can still experience that certain crypto currencies find their way into the normal economy and no matter where accepted as a means of payment.

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At the moment, the whole thing is just a gamble and now many fall back to the ground of reality.