Real strategic assets - a short list:

Fossil fuels - pumped from the ground;

Precious metals - mined from the ground;

Industrial metals - mined from the ground;

Rare earth minerals - mined from the ground;

Lumber - harvested from forests;

Fisheries - harvested from the sea;

Agricultural products - grown and harvested;

Industry - constructed using natural and human resources;

Military capabilities - designed and constructed using natural and industrial resources;

Bitcoin - mined through compute power using available energy.

What do they have in common - proof of work.