Kalamint, a leader of the Clean NFT movement is one of the first marketplaces on Tezos, an LPoS blockchain that consumes a fraction of the energy compared to its power-hungry counterparts. Backed by Tim Draper’s Draper Goren Holm Ventures, Amesten Capital, Moonwhale Ventures among others, Kalamint is one of the only NFT marketplaces which is truly on-chain, meaning that the data on the chain can never be altered or lost.