Last Updated: October 21, 2026 OpenSea was there at the beginning. Founded in 2017, before most people knew what an NFT was, it became the marketplace where the world discovered digital owner
Last Updated: October 21, 2026
OpenSea was there at the beginning. Founded in 2017, before most people knew what an NFT was, it became the marketplace where the world discovered digital ownership. At its peak in January 2022, it facilitated over $5 billion in a single month of trading volume. CryptoPunks, Bored Apes, Art Blocks: they all changed hands on OpenSea.
Then came the NFT bear market, Blur’s aggressive zero-fee campaign, Magic Eden’s rise on Solana, and a Wells notice from the SEC in August 2024. By early 2025, OpenSea’s market share had fallen from 90% to approximately 33%, and its critics were asking whether the original NFT marketplace had been permanently dethroned.
The answer, as of 2026, is no, but OpenSea is a fundamentally different platform than the one that dominated 2021. OS2, its complete ground-up rebuild launched in February 2025, transformed it from an NFT-only marketplace into a multi-chain digital asset hub trading both NFTs and fungible tokens. Marketplace fees dropped from 2.5% to 0.5% with OS2 and have been 1% on NFT sales since September 2025. The SEC closed its investigation in February 2025 without enforcement action. And with over 467,000 monthly active users by May 2025, its highest since mid-2023, and $2.6 billion in October 2025 trading volume, OpenSea has staged one of the most significant product comebacks in Web3. In 2026, it postponed the launch of its SEA token without a new date and, on October 20, opened its cross-chain mobile app to all users.
This review covers OpenSea’s features, fees, supported chains, security, OS2, the delayed $SEA token, and how it compares to Blur and Magic Eden in 2026.
Disclaimer: This review is for informational purposes only. NFTs and cryptocurrencies are high-risk assets. Always do your own research before trading.
Sources: OpenSea help center and announcements, DappRadar and Dune (2025 trading data). Fees and token status updated October 21, 2026.
OpenSea is the world’s first and largest peer-to-peer NFT marketplace. It was founded in 2017 by Devin Finzer and Alex Atallah, who built the platform on Ethereum as a place to buy, sell, and discover non-fungible tokens, a concept that barely existed in mainstream conversation at the time.
What made OpenSea significant was not just its first-mover advantage. It was its non-custodial model: OpenSea never holds your assets. When you list an NFT, it stays in your wallet. When you buy one, it transfers directly to your wallet on-chain. No central custody, no counterparty risk from the platform itself. This design built trust that OpenSea has maintained throughout its history, even during periods of high-profile exploit attempts.
For a full understanding of how NFTs and blockchain ownership work, see our NFT beginner’s guide.
The OS2 rebuild in 2025 represents a strategic pivot beyond NFTs. As Devin Finzer put it at the launch: “This represents an expansion of OpenSea from an NFT marketplace to a much broader platform for trading all types of digital assets. We think tokens and NFTs belong together in a single, powerful, delightful experience.” With OS2, OpenSea competes not just with Blur and Magic Eden but with multi-asset trading platforms across the entire on-chain economy.
OS2 is OpenSea’s most significant product development since launch. Announced February 13, 2025 and fully out of beta on May 29, 2025, it replaces the legacy OpenSea experience entirely with a platform rebuilt from the ground up.
Fees cut, then raised to 1%. The original OpenSea charged a 2.5% marketplace fee, among the highest in the NFT space. OS2 cut it to 0.5% to answer the competitive pressure from Blur’s zero-fee model, and on September 15, 2025, OpenSea raised it to 1% on all chains as part of the final phase of its rewards program. OpenSea charges no fee of its own on token swaps.
NFTs and tokens in one place. For the first time, OpenSea supports both NFT trading and fungible token trading on the same platform. Users can buy, sell, and swap ERC-20 tokens alongside NFTs without switching platforms. By October 2025, more than 90% of OpenSea’s $2.6B monthly volume came from token trading, demonstrating the scale of the multi-asset pivot.
Cross-chain trading without bridging. Users can purchase assets on one blockchain using tokens from another, with OpenSea handling the bridging process automatically. No manual bridge interaction, no switching wallets, no separate transactions.
More than 20 supported blockchains. OS2 launched with 19 chains, and OpenSea’s help center now lists 22, including Ethereum, Solana, Polygon, Arbitrum, Base, Optimism, Avalanche, Ronin, Abstract, ApeChain, Soneium, HyperEVM and Monad, covering virtually every active NFT and DeFi ecosystem.
Two interface modes. OS2 introduced Collector Mode (emphasizing larger visuals, collection stories, and discovery tools) and Pro Mode (data-heavy analytics, order books, and portfolio management), serving both casual collectors and professional traders in one platform.
Mobile app. After a waitlist rollout, OpenSea opened its mobile app to all iOS and Android users on October 20, 2026. It offers trading of tokens and collectibles across more than 25 blockchains without manual bridging, a combined portfolio view and a social activity feed.
OpenSea attracted 82,000 new traders in a single week following the Solana integration on April 21, 2025, with new activity spikes on Arbitrum, Base, and Blast driving the surge. The platform reclaimed over 40% NFT market share in the months following OS2’s full launch.
OpenSea’s support for more than 20 chains is one of its strongest competitive advantages. Blur supports only Ethereum and is closing its website on November 12, 2026, and Magic Eden has supported only Solana since March 2026.
Ethereum remains the primary blockchain for high-value NFT trading on OpenSea. Major collections such as CryptoPunks, Bored Ape Yacht Club and Art Blocks trade almost exclusively on Ethereum.
Solana was added to the original OpenSea in April 2022 and fully integrated into OS2 in April 2025. Solana’s speed and low fees make it the preferred chain for gaming NFTs, meme-adjacent collections, and high-frequency trading. OpenSea’s Solana support now includes fungible SOL token trading, not just NFTs.
Polygon, Arbitrum, Base, Optimism are Ethereum Layer-2 networks with significantly lower transaction fees than Ethereum mainnet, making them the preferred choice for new projects with cost-conscious communities. Base in particular saw significant NFT activity spikes on OpenSea in 2025, driven by Coinbase’s ecosystem.
Ronin is the blockchain purpose-built for gaming and home to Axie Infinity and other play-to-own games. OpenSea’s Ronin support gives it access to the gaming NFT audience that was previously served primarily by Ronin’s native marketplace.
OpenSea’s fee structure changed dramatically with OS2 and again in September 2025. Here is the complete picture as of October 2026:
Fee Type Legacy OpenSea OS2 (Current) Marketplace Fee 2.5% 1% on NFT sales (0.5% from the OS2 launch until September 15, 2025) Swap Fee No token trading 0% OpenSea fee (third-party fees may apply) Primary Drop Mints Varied 10% of the mint price Private Listings Standard fee 0% Creator Royalties Enforced (5% to 10%) Enforced or optional, set by each collection Gas Fees User pays User pays Minting (OpenSea Studio) Free (lazy mint) Free (lazy mint)The 1% fee applies to NFT sales and is included in the price buyers see, so it comes out of the seller’s proceeds. Gas fees for on-chain transactions remain the user’s responsibility and vary by network: on October 21, 2026, Etherscan estimated an Ethereum NFT sale at about $0.08 in gas, while Solana and layer-2 networks cost fractions of a cent. Our guide to OpenSea fees compared with other NFT marketplaces breaks down every fee and gas cost.
Creator royalties depend on the collection. On collections with enforced creator earnings, the set percentage is paid on every sale. On collections with optional earnings, the seller chooses how much to pay when listing or accepting an offer, starting from the creator’s preferred rate, with no minimum. OpenSea moved away from universally enforced royalties under competitive pressure from Blur, which remains a point of contention with artists and creators who rely on secondary sale royalties as income.
The Prize Vault. OpenSea committed to funneling 50% of all platform fees into a prize vault for distribution to active users through the Voyages rewards program. The vault had accumulated $1 million in Optimism and Arbitrum tokens by September 2025, creating an additional incentive layer on top of the planned $SEA airdrop. In March 2026, OpenSea said the current rewards wave would be the last and offered users refunds of fees paid during earlier waves in exchange for giving up their Treasures.
OpenSea’s 80 million+ listed NFTs span every major category in the digital asset space:
Digital Art: From generative art collections like Art Blocks to 1-of-1 works from individual artists. OpenSea’s art infrastructure includes verified creator profiles, provenance tracking, and an integration with Art Basel (Zero 10 platform).
Profile Picture Collections (PFPs): CryptoPunks, Bored Apes, Pudgy Penguins, Azuki, and hundreds of community-driven collections live primarily on Ethereum and trade at significant volume on OpenSea.
Gaming Assets: Items, characters, land, and equipment from blockchain games across Ronin, Polygon, and Immutable. Guild of Guardians, one of the top-performing gaming NFT collections by volume, trades on OpenSea.
Domain Names: ENS (Ethereum Name Service) domains like yourname.eth are tradable on OpenSea as NFTs, making it the primary secondary market for blockchain identity names.
Virtual Land: Parcels in metaverse platforms Decentraland and The Sandbox are listed and traded on OpenSea.
Music and Collectibles: Music NFTs, event tickets, sports collectibles, and photography collections are all supported through OpenSea’s flexible metadata standard.
Fungible Tokens (OS2): ETH, USDC, SOL, and hundreds of ERC-20 tokens are now tradable alongside NFTs in OS2, with DEX aggregation ensuring competitive swap rates.
Visit opensea.io and click “Connect Wallet.” OpenSea supports MetaMask, Coinbase Wallet, Phantom (for Solana), Ledger, WalletConnect, and Abstract Wallet, among others. For a comparison of the best crypto wallets for NFT trading, see our 10 Best Crypto Wallets guide.
Use the Explore tab to browse collections by category, chain, or trending volume. OS2’s new search tools allow filtering by price range, rarity, traits, and chain simultaneously, a significant improvement over legacy OpenSea’s search.
Click any listed NFT and select “Buy Now” for fixed-price listings or “Make Offer” for negotiation. For cross-chain purchases, select your payment token, and OS2 handles the bridging automatically. Confirm the transaction in your wallet.
Navigate to your profile, select the NFT you want to sell, and click “List.” Set a price, choose a duration, and optionally set a royalty percentage. Lazy minting is available for new creators: the NFT is only minted on-chain when someone purchases it, with the buyer paying the gas fee.
Once connected, navigate to the Rewards tab to access Voyages, OpenSea’s quest system. Complete actions (cross-chain swaps, NFT purchases on new chains, profile sharing) to earn XP. XP tiers unlock Treasures. OpenSea said in March 2026 that the current rewards wave is the last and that saved Treasures will be considered in future token distributions.
The $SEA token is OpenSea’s planned native token, announced February 13, 2025. Its launch, scheduled for March 30, 2026, was postponed in mid-March, with CEO Devin Finzer citing difficult market conditions, and OpenSea had not set a new date as of October 2026. The token is managed by the OpenSea Foundation, an independent entity based in the Cayman Islands. The design below is what OpenSea has announced so far.
Governance: SEA holders will have voting rights on protocol upgrades, fee structures, and platform development direction.
Staking rewards: Holders can stake $SEA to earn a share of platform fee revenue.
Trading incentives: $SEA will be usable within the OS2 ecosystem for fee discounts and enhanced platform features.
Airdrop: 50% of the total SEA supply will go directly to community members, prioritizing long-term “OG” users and active OS2 participants. Historical OpenSea usage (pre-2025 activity) is a key eligibility factor. The initial claim will provide approximately 25% of the total supply instantly, with another 25% vesting over time.
Revenue buyback: OpenSea committed to using 50% of all platform fee revenue to buy back $SEA from the market, creating a direct link between platform activity and token demand.
Critically, OpenSea confirmed that US users are eligible for the $SEA airdrop, a deliberate contrast to some competitors who excluded US users due to regulatory concerns. The SEC’s closure of its OpenSea investigation in February 2025 removes the primary regulatory obstacle that had clouded the token’s launch timeline.
OpenSea’s security architecture is built on its non-custodial model: it never holds your assets. Everything is stored in your own wallet and transferred directly on-chain. This eliminates the exchange-style custody risk that has cost users billions in centralized platform collapses.
However, OpenSea has faced several security incidents over its history:
2022 Email Phishing Breach: A Customer.io employee misused OpenSea user email data to conduct a phishing campaign. No NFTs were stolen through the platform itself, but the breach exposed user contact information.
Smart Contract Exploits: Early OpenSea contracts were targeted by attackers who exploited stale listings: NFTs listed at old prices that could be purchased below market value before the owner could delist them. OpenSea’s Seaport protocol (deployed 2022) was designed to address these vulnerabilities.
Bug Bounty Program: OpenSea runs a HackerOne bug bounty program with rewards up to $100,000 for critical smart contract vulnerabilities. OpenSea has paid out $200,000 to ethical hackers through this program, reinforcing its commitment to proactive security.
Seaport Protocol: OpenSea’s open-source Seaport smart contract handles all marketplace transactions. It has been independently audited multiple times and is the most battle-tested NFT marketplace smart contract in existence. For broader context on crypto security risks, see our overview of top crypto hacks of 2025.
Best practices for users: Enable two-factor authentication on your email (used for OpenSea account recovery), never sign wallet transactions from unknown links, and regularly review active listings and approvals using a tool like Revoke.cash.
OpenSea vs Blur: Blur was purpose-built for professional Ethereum NFT traders, with zero fees, advanced portfolio analytics, and a bidding system optimized for high-frequency trading. But its monthly volume has collapsed by more than 99% from its 2023 peak, and its website will shut down on November 12, 2026, while its smart contracts stay live on-chain. OpenSea’s 1% fee is higher, but its multi-chain support, token trading, and ongoing development make it the more durable choice. See our report on Blur shutting down its marketplace and our Blur NFT Marketplace review.
OpenSea vs Magic Eden: Magic Eden is a leading Solana NFT marketplace with deep ties to gaming communities, and it has supported only Solana since March 9, 2026, when it closed its Ethereum, EVM and Bitcoin marketplaces. Its 2% fee is higher than OpenSea’s 1%, but its community focus makes it popular with Solana-native NFT projects. OpenSea’s broader chain support and token trading give it more total utility, while Magic Eden has stronger loyalty among Solana NFT collectors.
Largest NFT selection in Web3. 80 million+ NFTs across more than 20 chains, and no competitor comes close to this breadth of inventory. Whether you want blue-chip Ethereum art, Solana gaming assets, or Base ecosystem tokens, OpenSea has it.
Competitive fees. OpenSea’s 1% fee on NFT sales is well below its original 2.5%, and it charges no fee of its own on token swaps. Among marketplaces still actively traded on Ethereum and its layer-2 networks, that keeps it cost-competitive.
Multi-chain, multi-asset hub. Supporting more than 20 blockchains for both NFTs and tokens is a unique position in the NFT marketplace landscape. OpenSea is the only NFT-native platform also functioning as a multi-chain token DEX.
Regulatory clarity. The SEC investigation closure in February 2025, the Cayman-based Foundation structure for $SEA, and explicit US user eligibility for the airdrop represent unusually strong regulatory positioning for an NFT platform.
Non-custodial by design. Your assets never leave your wallet. This is the fundamental trust foundation that has kept OpenSea the default platform for high-value NFT trading despite competitive pressure.
Planned $SEA buybacks. OpenSea has said it will use half of platform fee revenue to buy back $SEA once the token launches, which would tie platform growth directly to token holders.
Creator royalties are not always enforced. OpenSea’s shift away from universally enforced royalties, while competitive, has damaged its relationship with the creator community. Artists who depended on secondary sale income lost a reliable revenue stream.
Token trading dominates over NFTs. By October 2025, 90%+ of volume was from token trading rather than NFTs. This raises questions about whether OS2’s success is NFT marketplace recovery or effectively becoming a DEX that happens to list NFTs.
$SEA launch uncertainty. Despite a Q1 2026 target, OpenSea postponed the $SEA launch in March 2026 without a new date and said its current rewards wave would be the last. The delay frustrates Voyages participants who farmed XP in expectation of a launch, and until $SEA is live, the rewards program lacks its primary incentive.
No direct fiat on-ramp. OpenSea doesn’t accept credit card payments natively, so users must first acquire crypto (via MoonPay integration) and then trade. This creates friction for genuinely new users unfamiliar with wallet management.
A shrinking NFT market. NFT sales fell to about $167.2 million in September 2026, according to CryptoSlam, down from about $554.8 million a year earlier. Even the leading marketplace now operates in a far smaller NFT market than in 2021 and 2022.
For most users, yes.
The OS2 rebuild addressed every major criticism that had driven users to competitors: fees are competitive at 1%, chain support covers every major ecosystem, and the platform works for both casual collectors and sophisticated traders. The regulatory cloud from the SEC investigation has lifted. If the $SEA token launches, it could create a reward loop that keeps active users engaged and aligns their interests with the platform’s growth.
OpenSea is no longer just an NFT marketplace. It is an on-chain asset hub, the closest thing Web3 has to a single destination where you can trade NFTs, swap tokens, manage a portfolio across more than 20 chains, and earn platform rewards. That is a significantly more defensible position than “largest NFT marketplace” in a market where NFT-only volume remains below 2021 peaks.
Blur, long the sharper tool for professional Ethereum NFT traders, is closing its website in November 2026. For Solana-native communities, Magic Eden and Tensor have real advantages. But for the vast majority of NFT participants, including collectors, creators, newcomers, and cross-chain traders, OpenSea’s breadth, liquidity, and improving user experience make it the default starting point and the hardest platform to leave.
What is OpenSea? OpenSea is one of the largest NFT marketplaces, founded in 2017 by Devin Finzer and Alex Atallah. Since its OS2 rebuild in 2025, it trades both NFTs and fungible tokens across 22 blockchains, including Ethereum, Solana, Base and Polygon. It is non-custodial, so NFTs stay in users’ wallets until a sale settles on-chain, and its mobile app opened to all users in October 2026.
How much does OpenSea charge? OpenSea charges a 1% fee on NFT sales, included in the price buyers see, plus 10% on primary drop mints. Private listings carry a 0% fee, and OpenSea charges no fee of its own on token swaps. Creator earnings and blockchain gas come on top. The 1% rate has applied on all chains since September 15, 2025, after a 0.5% rate at the OS2 launch.
Is OpenSea safe? OpenSea is non-custodial, so it never holds users’ NFTs or funds, and its Seaport smart contract has been audited multiple times. It runs a HackerOne bug bounty with rewards of up to $100,000. The main risks come from phishing sites, malicious signature requests and old token approvals, so users should verify links and review their approvals with tools such as Revoke.cash.
What is OS2? OS2 is OpenSea’s rebuilt platform, announced on February 13, 2025, and out of beta on May 29, 2025. It added fungible token trading alongside NFTs, cross-chain purchases without manual bridging, Collector and Pro interface modes and support for far more blockchains. It launched with a 0.5% NFT fee, which OpenSea raised to 1% on all chains in September 2025.
When will the $SEA token launch? No date is set. OpenSea announced $SEA in February 2025 and scheduled its launch for March 30, 2026, but postponed it in mid-March 2026, citing difficult market conditions, and had not announced a new date as of October 2026. OpenSea has said half of the token supply will go to the community and half of platform fee revenue will fund buybacks.
How does the Voyages rewards program work? Voyages is OpenSea’s quest-based rewards program. Users complete tasks such as cross-chain swaps and NFT purchases to earn XP and unlock Treasures. In March 2026, OpenSea said the current rewards wave would be the last, offered fee refunds to users willing to give up their Treasures, and said saved Treasures will be considered in future token distributions.
How is OpenSea different from Blur? OpenSea is a multi-chain platform for NFTs and tokens with a 1% NFT fee, aimed at both collectors and traders. Blur was an Ethereum-only marketplace for professional traders, with zero fees, collection bids and NFT lending through Blend. Blur’s monthly volume has fallen more than 99% from its 2023 peak, and its website closes on November 12, 2026.
Does OpenSea support Solana? Yes. OpenSea first added Solana in April 2022 and fully integrated it into OS2 in April 2025, which brought a surge of new traders. On Solana, OpenSea supports token swaps and selected NFT collections. For Solana-native NFT trading, Magic Eden and Tensor remain the main specialist marketplaces, and each charges a 2% fee on trades.
More on this topic: NFT Marketplaces and What Is Panini Blockchain? How It Works in 2026.
See also: Magic Eden Review: The Solana NFT Marketplace at a Crossroads.
See also: Foundation NFT Marketplace Review 2025.
