“By 2050, at least two pan-regional currencies, modeled on the Euro, will be used in the world.”

Created by gwern on 2010-07-30; known on 2050-01-01

• gwern estimated 60% on 2010-07-30
• gwern said “http://www.longbets.org/77” on 2010-07-30
• themusicgod1 estimated 50% on 2016-10-06
• pranomostro estimated 60% on 2019-01-14