Advice: only write sentences that are true.
> Bitcoin could never replace a national currency.
You can't predict the future.
> With transaction times in the tens of minutes and with a maximal global transaction rate of 5-10 per second. The Blockchain couldn't replace the banking system of single mid-sized town.
With millions of transactions per second, the Lightning network could.
> It's not money.
It's money. Here's an explanation of money https://powreach.com/crypto