Hal Finney was a cryptographic legend and an early contributor to the Bitcoin project.

"It seemed so obvious to me: Here we are faced with the problems of loss of privacy, creeping computerization, massive databases, more centralization – and David Chaum offers a completely different direction to go in, one which puts power into the hands of individuals rather than governments and corporations.

The computer can be used as a tool to liberate and protect people, rather than to control them.“