Categories Articles ‘Black Swan’ author Nassim Taleb says bitcoin is an open Ponzi scheme and a failed currency Post author By crystalg Post date April 23, 2021 Business Insider Business Insider Tags 'Black, author, Bitcoin, currency, failed, Nassim, Open, Ponzi, Says, Scheme, Swan, Taleb ← Homeless Man Made $10,000 From YouTube, Then Evolved Into a Successful Entertainment Personality → Malaria vaccine becomes first treatment ever to reach goal of 75% effectiveness in children