What chains does OpenSea support?
OpenSea supports 27 chains, including Ethereum, Solana, Base, Arbitrum, Optimism, Polygon (checked Oct 29, 2026). OpenSea code 24G693 (10% off fees).
Checked 2026-10-29 · 1 source- Chains are listed as published by the venue on 2026-10-29. New chains are added often.
- OpenSea is a aggregator; supported chains can differ between spot trading and other products.
Sources: OpenSea Help: Which blockchains are compatible with OpenSea?. The venue's own page wins if it disagrees with ours.
OpenSea
DEX aggregator · 1% round trip. OpenSea is an NFT marketplace and multi-chain token trading app on Ethereum, Solana, Base and 20+ other chains. Token swaps are routed through third-party onchain venues and aggregators, and you trade from your own wallet or an email-login wallet the app creates for you.
Full OpenSea sheet: fees, custody, incidents →
More on OpenSea: Overview · Referral code · Fees · Is it legit? · News · Alternatives · US alternatives · Available in the US? · KYC required? · Mobile app? · Custodial? · Supported chains