Some studies say that average life of companies on the S&P 500 is less than 20 years. So if Bitcoin does double that it is quite successful. https://www.imd.org/research-knowledge/disruption/articles/w....

Successful by what metric?

Companies on the S&P 500 don’t exist exclusively as investment vehicles. They make things. They often go bankrupt trying to make things.

If your metric for success is a market’s lifetime, feel free to invest in gold or silver.