About Covheads Nft Worlds first NFT pegged to Covid Cases, Collection of 10,000 Unique NFTs with no whitelisting required. Each NFT is a digital collectible of the pandemic, increasing in value as global cases decrease. How? We have created our own valuation algorithm for how much each Covhead token is worth on the Opensea sale (this is only a proposed price). The data for this comes from the COVID-19 Data Repository by the Centre for Systems Science and Engineering, each daily case of Covid is allocated an ETH price for valuation.