Crypto/Bitcoin BTC et al was used to fund the most powerful supercomputer to date. Lightyears beyond Seymour Cray or Emeagwali designs.

Same reason the gave us cell phones...
Someone had to subsidize the growing costs of putting cattle tracking satellites in space.

Same reason they let us have ARPANET to eventually track everything we do...
Why DARPA went private with Facebook because private companies can easily spy on you vs Gov't (legalities)

They make giving up details very trendy.