what can bitcoin be used for Knowledge

Main thinking = buying and selling logic, following the main capital movements to control positions.Investment is the process of recognizing "economy, policy, value, main force, cycle, mood, position and trust". Fear comes from the unknown, and greed comes from want.Value investment = an undervalued company that finds and holds sustainable profitability for a long time.

Investment is the process of recognizing "economy, policy, value, main force, cycle, mood, position and trust". Fear comes from the unknown, and greed comes from want.

Fool wisdom = value investment+main thinking!Main thinking = buying and selling logic, following the main capital movements to control positions.