1st lesson: Store your wealth and trade with a public transparent ledger so that everyone, your competition, your enemies and your ex wifes lover can see what you have and what you do. nostr:nevent1qvzqqqqqqypzqntcggz30qhq60ltqdx32zku9d46unhrkjtcv7fml7jx3dh4h94nqqsfe4sy978vrpxz50acceezta9ajkkncdlf35...