ChainCatcher news, Sotheby's auction house has launched the on-chain NFT secondary market Sotheby's Metaverse, allowing collectors to trade directly on its platform. The system will integrate Ethereum and Polygon networks, enabling users to make payments using ETH or MATIC.Sotheby's Metaverse will continue to pay artists' royalties through smart contracts on the platform, which will automatically pay artists based on the on-chain royalty rate chosen by the artist. (Source link)

Chain Catcher news, Christie's has announced a collaboration with Manifold, Chainalysis, and Spatial to launch the NFT platform "Christie's 3.0." This platform will help traditional auction houses achieve NFT sales, with all transactions (including post-sale processing) being automated and on-chain.It is reported that the first sale on Christie's 3.0 will feature nine new NFT works by crypto artist Diana Sinclair. (source link)