Money has whatever value we give it. Money is backed by faith. We have faith that others will accept that money for goods or services, and they have faith they can too.
Jesus drove all out of the temple, not just the money changers. He poured out the money and flipped the tables.
"Going a little farther, He fell facedown and prayed, “My Father, if it is possible, let this cup pass from Me. Yet not as I will, but as You will.” Then Jesus returned to the disciples and found them sleeping. “ Were you not able to keep watch with Me for one hour?” He asked Peter."