OpenSea (Seaport)

nft marketplace

OpenSea is the largest NFT marketplace, powered by the Seaport protocol. Seaport is an open-source marketplace protocol for buying and selling NFTs with support for ERC-721, ERC-1155, and ERC-20 tokens. Deployed deterministically via CREATE2 at the same address across all EVM chains.

Contract details
  • Seaport 1.6 (core): Latest version of the Seaport marketplace protocol. Handles all order fulfillment including listings, offers, auctions, and collection offers for NFTs
  • Seaport 1.5 (core): Previous version of Seaport still receiving significant transaction volume
  • Conduit Controller (core): Factory contract that creates and manages conduits — proxy contracts that can transfer tokens on behalf of users who have granted approval
  • OpenSea Conduit (core): The conduit instance used by OpenSea — users grant token approvals to this contract which then executes transfers during order fulfillment

Contract Deployments

Smart contract addresses for OpenSea (Seaport) across 7 blockchains.

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Showing 0 of 0 deployments
Chain
Chain ID
Contract Name
Address
Source
ethereum N/A Seaport 1.6
0x0000000000000068F116...B395
Source ↗
ethereum N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
ethereum N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
ethereum N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
polygon N/A Seaport 1.6
0x0000000000000068F116...B395
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polygon N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
polygon N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
polygon N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
arbitrum N/A Seaport 1.6
0x0000000000000068F116...B395
Source ↗
arbitrum N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
arbitrum N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
arbitrum N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
optimism N/A Seaport 1.6
0x0000000000000068F116...B395
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optimism N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
optimism N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
optimism N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
base N/A Seaport 1.6
0x0000000000000068F116...B395
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base N/A Seaport 1.5
0x00000000000000ADc04C...14dC
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base N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
base N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
avalanche N/A Seaport 1.6
0x0000000000000068F116...B395
Source ↗
avalanche N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
avalanche N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
avalanche N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗
bsc N/A Seaport 1.6
0x0000000000000068F116...B395
Source ↗
bsc N/A Seaport 1.5
0x00000000000000ADc04C...14dC
Source ↗
bsc N/A Conduit Controller
0x00000000F9490004C11C...Ad63
Source ↗
bsc N/A OpenSea Conduit
0x1E0049783F008A008519...3c71
Source ↗

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