So there has been a lot of hype about bitcoin lately and I know it is revolutionary and has lots of advantages. But let's try to state the reasons why exactly do you personally think that bitcoin is not great and lacks in some points. I know it has great applications and is just great but it is not falwless right?
My question is simple and straight, What are the flaws of bitcoin?
Except its high volatility and "Dark use" (in illegal activities).
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 Maybe some reasons are the banning of bitcoin in some other countries  that brings  nega for those who are planning to invest bitcoin.  Disappointment when there are bad news regarding  bitcoin.  One more thing more is that  the bitcoin users will not enjoy anymore the advantages of having bitcoin beacause of its transparency  and  taxation in the near future by the bitcoin excahanges.