Watch CNBC's full interview with Lloyd Blankfein on Biden's Covid plan, SPACs, banks and more

Former Goldman CEO Lloyd Blankfein joined "Squawk Box" on Monday to discuss several topics, including what he thinks might be the economic impact of Biden's $1.9 trillion coronavirus relief plan, whether the rise of SPACs is a good deal for investors, the bitcoin boom, banks during the coronavirus-driven economic downturn and more.