CoW Protocol

CoW Protocol is the trading infrastructure behind CoW Swap. A user signs an intent describing acceptable tokens, amount, limit price, receiver and expiry rather than choosing a single route. The protocol groups intents into auctions; solvers compete to construct a settlement using direct coincidences of wants and external onchain liquidity.

COW is the governance token, canonically 0xDEf1CA1f…497aB on Ethereum. It does not represent the order being traded and is not required as swap gas. vCOW is a separate, non-transferable vesting instrument whose vested units can be swapped 1:1 for COW. Bridged COW on several chains is issued by official bridge systems rather than deployed by CoW DAO itself.

An ordinary public swap exposes a route before execution, giving searchers opportunities to reorder around it. CoW moves route construction into a competition over a batch. Identical directed token pairs receive uniform clearing prices, signed limits are enforced by the settlement contract, and compatible intents may trade directly before solvers tap AMMs or aggregators.

The mechanism reduces particular sandwich and routing losses; it cannot promise a fill, a direct CoW, the best price across every possible venue, or elimination of all MEV. A solver still selects interactions, services still collect orders and simulate proposals, and governance determines who may settle.

Core contracts separate duties. GPv2Settlement at deterministic address 0x9008…b41 checks signatures, limits and filled amounts and is documented as non-upgradeable. GPv2VaultRelayer is also non-upgradeable and limits token movement to authorized settlement. GPv2AllowListAuthentication at 0x2c4c…8aFE is upgradeable so governance can add or remove solvers or change admission logic.

Solver competition is permissionless at the solution layer but production settlement is authenticated and bonded. The documented full pool requires $500,000 in stable assets plus 1,500,000 COW; the reduced path begins at $50,000 plus 500,000 COW and grows toward $100,000 plus 1,000,000 COW, with core-team approval. A Solver Controller Safe manages the allow-list under DAO rules, and a separate Solver Payouts Safe pays rewards from collected fees.

COW voting uses a forum draft, then a seven-day Snapshot vote; a holder of more than 10,000 COW may advance an eligible proposal. Executable oSnap actions add a three-day delay. These are governance process rights, not equity or automatic revenue rights. The DAO Safe, USDC Safe, solver safes, grants safes and Karpatkey-supported treasury divide operational custody.