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Intent-based architecture is a new paradigm for revolutionizing the user experience (UX) in blockchain and decentralized finance (defi). In this approach, users declare what outcome they want, rather than telling the network how to perform a task. This is in contrast to the concept of imperative transactions, where the user must specify every parameter (e.g. token path, slippage, gas limit).

1. Difference between intent and transaction

Features	Transaction (imperative)	Intent (declarative)
User input	Each step of how the task will be performed. (Example: Go to Uniswap -> Swap ETH to DAI -> Set $50 slippage).	What outcome do they want? (Example: I want to get the most DAI for 1 ETH with a maximum fee of $10).
Complexity	The user needs to know about the route and protocol.	All complexity is abstracted from the user.
Outcome	A specific path specified by the user is followed.	The network finds the best path to give the best outcome.

2. Key Elements of Intent-Based Architecture
An intent-based system has four key elements

A. Client & Intent Expression

Work : The user declares his desired outcome (Intent) using a simple user interface (UI) or natural language and cryptographically signs it by specifying some constraints (Constraints) such as maximum fee, minimum amount, time limit, etc.

Example : "I want 100 USDC in Arbitrum to be converted to 99.5 USDC in Optimism, and this must be completed within 5 minutes."

B. Intent Pool

Work : These intents, signed by the user, are sent to an off-chain "pool" or "mempool", which is open to the public.

C. Solvers

Function : Solvers are specialized third-party nodes (or bots) that analyze these intents and compete with each other to find the most efficient way to fulfill them.

Process : Solvers create an optimized transaction path using all possible DeFi protocols, bridges, and routes that meet the user's conditions. The solver's goal is to give the user their desired outcome and receive a small fee or residual value for this work.

D. Settlement Layer

Function : The solver that comes up with the best solution takes the final transaction it created and goes to the blockchain (such as Ethereum) and executes it. Here, the user's intended outcome is confirmed.

3. Revolutionary Impact of Intent-Based Architecture (in DeFi) Intent-based architecture can take the use of DeFi to a new level

Revolutionary User Experience (UX) : It will give DeFi a “one-click” experience similar to Web2 applications. The user does not have to worry about complexities such as gas fee management, route selection, or slippage settings.

Efficiency and Optimization : Solvers can find the best price and route in the market using algorithms that are much more powerful than the user. This often results in the user getting better results at lower fees than manual transactions.

Reduction of MEV (Miner Extractable Value) problems : Currently, transactions are subject to attacks (such as sandwich attacks) when they go to the mempool. Solvers in the intent system optimize and encapsulate this process, which helps reduce the impact of extractive MEV.

Cross-chain interoperability made easy : A user simply declares their intention to swap tokens from one chain to another. Solver automatically handles these multi-step cross-chain bridges and DX routes.

Source

Conclusion

In short, intent-based architectures remove the complexity of blockchains and prove that it is possible to simplify and enhance the user experience while maintaining the security of decentralized finance. This is the key to moving DeFi from the realm of experts to the masses. Today's discussion concludes here. I hope you've found it interesting. Please share your thoughts on today's topic. Prayers for everyone. May everyone be well. Amen.

Me behind the camera & keyboard

I’ve always loved sharing my passions with you — from crypto and movie reviews to photography, storytelling, and blogging. Now, continuing that creative journey, I’ve stepped into a brand-new world — Gaming ! 🎮 | 🎥 On my YouTube channel Bokhtiar The Survivor — I’m consistently working to bring you the raw thrill of my gaming experiences — the emotions, the excitement, and those unforgettable moments that make every game feel alive.