Yes it surely is it might not be officially the strongest currency as kuwait somehow still has the most expensive currency in the world but as things are progressing for bitcoin there will be a day where we all proudly can say bitcoin is the strongest currency officially. It is sure that one day or another government will have to accept bitcoin
The large traditional currencies hold more value and authority over all crypto currencies combined. But what we can see or say is that crypto is not just a nerd thing. Investors have seen the potential and with their support a whole new kind of feature set will come. Which will give bitcoin and crypto it's deserved place in the financial markets... #1