The surge of bitcoin brought cryptocurrencies from tech-nerd toy to household name, and they're increasingly showing up in investment portfolios.
source https://www.google.com/url?rct=j&sa=t&url=http://www.haas.berkeley.edu/groups/pubs/berkeleyhaas/fall2018/power-of-ideas2.html&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFF98eDpaLswToYvnYh11TdJbsvig
