Pick the wallet you'd like to negotiate with. Your assets stay in your wallet — Seaport executes atomically only if both sides sign.
🦊
MetaMask
Browser extension
💰
Coinbase Wallet
Connect with Coinbase
🔗
Other Web3 Wallet
Any EIP-1193 provider
Freeze & Sign
This locks the bundle for atomic execution via Seaport. Both signatures must land within the expiry window or the deal voids automatically. Funds and NFTs only move if both sides sign.
You give—
You receive—
Counterparty—
Fairness—
ExpiresIn 24 hours
RoyaltiesHonored (creators paid)
VisibilityPublic room
⚠ Always double-check token IDs and counterparty reputation. KOKO never asks for seed phrases. If anything looks off, hit Cancel and the deal voids.
Accept Incoming Offer
The offerer has already locked their side on-chain. Accepting locks YOUR side and atomically swaps both bundles in one tx — funds and NFTs only move if the contract settles.
From—
They locked—
You must put up—
Fairness—
Expires—
Deal ID—
⚠ Verify item names, counterparty, and that your wallet holds the assets the offerer wants. Once you sign, your assets transfer atomically with theirs.