Back in the 1920's, there were at least seventy aircraft manufacturers and it was impossible to discern which ones would survive. From this much shorter list (https://www.centennialofflight.net/essay/Aerospace/earlyU.S/Aero1.htm), only Boeing and Lockheed survived. Once you get past BTC and ETH, which crypto can you credibly identify as likely to be viable in ten years?
Founder of ThinkingLonger.com, Investing Strategist