Forget Blockchain. Just think of inventing a currency of your own. Paper currency. A designer designs it get it printed through printing press. What's worth of

Forget Blockchain. Just think of inventing a currency of your own. Paper currency. A designer designs it get it printed through printing press. What's worth of that currency? Then a few dozen more follow the suite and print their own design and own currencies - how much worth is that all? Zero. Add more limitations that no more than 7 or X number of people can exchange currency notes among themselves at a time and there's no privacy whenever you pay someone, your and their name gets advertised on TV, Radio broadcasts and is printed on NYT frontpage. That's how much useful any crypto is.