'Existing currencies are abolished. The “mega-watt-hour” becomes the universal unit of exchange.' —Arthur C. Clarke

Created by gwern on 2010-10-26; known on 2017-01-01; judged wrong by JoshuaZ on 2017-01-01.

• gwern estimated 0% on 2010-10-26
• gwern said “http://www.arthurcclarke.net/?scifi=3” on 2010-10-26
• gimpf estimated 0% and said “The idea is intriguing. Not before Ems et al., though.” on 2010-12-13
• Larks estimated 0% on 2011-01-01
• JoshuaZ estimated 0% on 2011-05-24
• Ken estimated 0% on 2011-09-12
• Anubhav estimated 0% on 2011-10-12
• saturn estimated 0% on 2012-03-28
• najdorf estimated 1% on 2013-02-06
• Tuxedage estimated 0% on 2013-02-07
• rebellionkid estimated 0% on 2014-06-12
• themusicgod1 estimated 3% and said “he was close: bitcoin.” on 2016-10-07
• JoshuaZ estimated 0% on 2016-10-07
• JoshuaZ   judged this prediction wrong on 2017-01-01.