Best NFT Aggregators Genie. Genie is a premier NFT marketplace aggregator co-founded in 2014 by Akash Nigam and Evan Rosenbaum. Uniswap later acquired it on June 21, 2022. Genie aggregator was officially launched in November 2021; it provides users with inventories of NFTs on marketplaces like OpenSea, Rarible, LooksRare, NFTX, NFT20, X2Y2, and many others. It helps investors to save up to 40% ...