This family bet everything on bitcoin when it cost $ 900. Now he keeps his fortune in secret vaults on 4 continents Posted byEntrepreneur en Español August 24, 2021 Leave a comment on This family bet everything on bitcoin when it cost $ 900. Now he keeps his fortune in secret vaults on 4 continents 26% of its cryptocurrencies are in hot wallets, while the other 74% are in cold wallets. What does this mean?