 SINGAPORE, Sept. 23, 2021 PRNewswire -- The9 Limited Nasdaq: NCTY The9, an established internet company, Polygon, an Ethereum scaling platform, and Protocol Labs, Inc. Protocol Labs, a major contributor of open-source projects including InterPlanetary File System, or IPFS, and Filecoin, today announced that they are forming an ecosystem collaboration on The9s Non-Fungible Token NFT platform NFTSTAR and GameFi Play-to-Earn projects. 