Bitknavers (now mutating into birmingham blockchain collective) was designed on the old Lunar Society, in which ideas on technology and society could be discussed and debated. This pdf file on Bitcoin and Blockchain technology is open to share.
‘The lecture given by Steve (Joe) Ratheram is probably the best explanation we have found to explain Bitcoin and Blockchain technology. Steve (Joe) Ratheram is also the driving force behind BitBrum and is a committed educator and warrior on liberating technology for the people.