Bitcoin just soared to a new $1,600 high — but the first investor in Snapchat thinks it could hit $500,000 by 2030

Bitcoin has been the top-performing currency in the world in six of the past seven years, climbing from zero to a new high value of about $1,600. But the cryptocurrency isn't anywhere close to its potential, according to Jeremy Liew, the first investor in Snapchat, and Peter Smith, the CEO and …