Cash, checks, Visa, Mastercard, Amex, Discover, barter.
Slowly being phased out.
> checks
Already spotty usage.
> Visa, Mastercard, Amex, Discover
Censorship possible.
> barter
Viable, but foolish considering it's cumbersome and we live in an age where perfectly viable technological solutions exist. It's like having an iron but pressing your shirts between books out in the sun.
Viable, but foolish considering it's cumbersome.
I've done business with people all of the world in places that have weak or non-existent banking thanks to Bitcoin. None of the above options made that possible.