This year has witnessed a prosperous market sector of scaling and multi-chain, etc. with contentious and unstoppable discussion about the scaling solutions. Therefore, at the coming event, together with imToken, Starkware, Arbitrum and ChainNews, as co-hosts, we at IOSG will hold the 8th Old Friends Reunion a.k.a. Scaling Summit 2021, on December 10th in Shanghai 1933 Laochangfang. Activity sharing includes but is not limited to Rollups, EVM, Laye2 Dapps, cross-chain, MEV, etc. There will also be outstanding projects, such as MatterLabs, Aurora, Aztec, Polygon, xDai, Celer, Movr, Hop Protocol, Liquity, Synthetix, the Graph and so on, to share the prospects for the scaling solutions. We are honored to provide a platform to share opinions with all participants through the exchange of ideas!