World Mining Claims are liquid NFTs. They can be bought and sold from the Mining Claim contract at any time, for the current market buy or sell price. This is a massive improvement over traditional NFTs, which can be hard or impossible to sell. The buy and sell prices are calculated automatically using a bonding curve, based only on the number of Claims that exist. As you can see below, the curve is very gentle, to allow a good number of Claims to be purchased. For example, when: