Bitcoin has come under heavy scrutiny from the investment community.A flurry of news signaling institutional investors and corporations' adoption of the asset is fueling optimistic expectations for future demand.Corporations are seeking alternatives to better invest their cash.S&P 500 companies are currently sitting on more than $1T in cash, a 20% increase compared to the average from 2013 to 2018.Tech companies with large amounts of cash are most open to making the switch, since bitcoins typically fit more naturally within their business profiles and can offer meaningful returns at the same time.