Smart Contracts - Enforcing certain contracts programmatically, without the need for force (or even a trusted third party)
(Crypto ppl: this stuff is not my forte! Any corrections, suggestions for better examples, please let me know.)
Liberdon is a Mastodon instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal from jack or zuck. It was created in the wake of the Great Twitter Cullings of 2018, when a number of prominent libertarian accounts were suspended or banned.