We don't need welfare if we provide tax deductions for spending on growth and infrastructure creating more well paying jobs. It starts with High Tax Rates though.

Bitcoin has created a new paradigm in the money services industry,

... but is still far removed from everyday use as payment for labor. Once that happens on a grand scale we will see just how secure it is from the "legal" paper currency creators, as we see in this post concerning alleged competition into the "Every-Day" physical realm.

Excerpt from my recent post on the Velocity of Money.

Regardless of the monitary unit we use, if it be bitcoin, metals or fiat cash, the economy runs on spending it. Just like any fluid system the infrastucture needs to be designed and the flow and pressures must be monitored and tweaked as needed to maintain a healthy and consistent velocity. We will always need to measure labor and talent and compensate it in an open and fair market; As population levels grow the need for accountable government grows with it.

https://steemit.com/economics/@adconner/the-velocity-of-money