How did the creators of bitcoins achieve the ability to pay for real goods?

Question

Payment systems

Bitcoins are "fictitious" money, or am I mistaken? Did they create their own payment system or just agreed by mutual agreement?

Answer 1

We know it - threats, a soldering iron ...
It 's not fate to look at Wikipedia ?

Answer 2

so then dollars and rubles are a fictitious currency and just pieces of paper