Bitcoin, in my opinons has had it up and downs, but who supplies us bitcoin? Faucets can only supply so much before it gets closed down. So that's not a big supplier. Working for bitcoin has declined. I used to make videos and earn bitcoins. But that site has closed down like every other sites or faucets. So who supplies us bitcoins nowadays? Tell us please!
Op, your curiosity can be attended to in two ways, the first leading to the second.
The first way is that minners supply bitcoin to the general public or makes it available then the second way is that which is individual based. It is either supplied to the individual through faucets, signature campaigns or conversion of fiat into bitcoin.