OpenSea, the largest NFT marketplace by sales volume, has announced a broader upgrade to its drop infrastructure and said it will soon add support for the Ethereum layer-2 network Arbitrum. The changes are designed to create what the company described as an easier, safer and more immersive minting experience for both creators and collectors.
New drop features for creators and collectors
Under the update, creators will be able to launch NFT collections through dedicated drop pages, giving projects more visibility on OpenSea’s redesigned homepage. Collectors, meanwhile, will be able to mint directly on an OpenSea page, reducing the need to navigate away from the marketplace. The platform is also introducing Seadrop, a new open-source and security-focused contract system intended to power drops without forcing creators to deploy custom smart contracts.
The announcement comes from a marketplace that remains the dominant player in the sector by historical volume. According to the figures cited in the report, OpenSea has processed $32.34 billion in all-time sales. With NFT platforms competing more heavily on usability and launch infrastructure, these changes suggest OpenSea is trying to strengthen its role not just as a trading venue, but as a key distribution layer for new NFT collections.
Arbitrum integration expands OpenSea’s chain coverage
OpenSea also said it will soon support Arbitrum, an Ethereum-compatible layer-2 blockchain. The company described the move as an early step toward a Web3 ecosystem in which users can access the NFTs they want on the chains they prefer. The launch of Arbitrum support was planned for September 21, after which creators would need to locate their collections on OpenSea and set creator fees directly on the platform.
The marketplace has already expanded beyond Ethereum by integrating Polygon and Solana, and Arbitrum adds another important network to that strategy. The move also comes as rivals push deeper into scaling ecosystems: Rarible recently announced an integration with Ethereum-compatible L2 network Immutable X. OpenSea’s latest product and chain updates also follow its migration to Seaport, the open-source Web3 marketplace protocol that underpins its evolving infrastructure.

