However, for that to become a reality, miners must begin to actively commission projects/startups that transact solely in BTC (without converting BTC back to USD, etc). It is the only way to increase BTC money supply beyond the initial monetary base of 21 million bitcoins.
This isn't at all accurate... There's no way to increase the supply of BTC (though you can surely increase the effective circulation of it through fractional reserve banking.)
You don't have to take my word for it... Here's an explanation from the man himself.
