blockchain

Dan Olson's roughly two-hour video essay critiques NFTs, cryptocurrency, and Web3, covering their technical, economic, and ideological flaws. It is heavily sourced and ends with the advice to ask whether a project needs crypto to work.

Barely Sociable presents a case that Bitcoin creator Satoshi Nakamoto is cryptographer Adam Back. It uses interview clips and circumstantial evidence, and also touches on the block size dispute.

A documentary from Swan Bitcoin exploring Bitcoin's relationship with energy, featuring Lyn Alden and others, and arguing that mining is a net positive for the environment and not wasteful.

Motherboard's 2014 visit to a secretive Bitcoin mining operation in a repurposed factory in Liaoning, China, one of six sites producing about 4,050 bitcoins a month. It shows the machines and the workers' living conditions.

Veritasium tells the story of the XZ backdoor, how a patient attacker became maintainer and nearly compromised SSH on Linux systems. It also covers free software history and how encryption in SSH works.