Intent-Based Trading
Intent-based trading is an execution model where a user expresses what they want — "sell 1 ETH for at least 3,800 USDC on any chain within 5 minutes" — and a competitive network of solvers figures out how to fulfill it, returning the best outcome.
✦ Key Insight
It replaces the traditional model of routing trades through a specific venue with a market for execution itself. Traders get better prices, MEV protection, and cross-chain capability without having to manually compare DEXes, bridges, or aggregators.
✕ Common Misconceptions
Confusing intents with limit orders — solvers compete on outcome, not just price.
Trusting any intent protocol without understanding solver permissions and timeouts.
Setting timeouts too short for the route the solver actually needs.
Detailed Explanation
How It Works: The user signs an intent — essentially a conditional message, not a transaction. Solvers monitor the intent pool, compute fulfillment paths (DEX trades, bridges, private inventory), and bid to execute. The winning solver pays the user's required outcome and pockets whatever is left.
FAQs:
Is intent-based always better? Often, but not for ultra-simple single-DEX swaps where direct routing is fine.
Who pays the solver? The user, indirectly, through the spread between the signed minimum and the actual fill.
In Practice
Dig Deeper
Chain Abstraction
Chain abstraction is a design goal where users interact with crypto applications without needing to know, or manually switch to, the specific blockchain hosting the asset or app. Wallets, intents, and middleware handle bridging, gas, and routing in the background.
MEV
MEV (Maximal Extractable Value) is the profit that can be extracted by reordering, including, or excluding transactions in a block beyond standard block rewards and fees. It is the on-chain equivalent of high-frequency trading edge, plus features unique to public mempools and smart-contract composability.
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