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  1. Home
  2. /Glossary
  3. /Solver
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blockchain

Solver

An off-chain actor in intent-based systems that competes to fulfill user intents in the most efficient way.

Definition

An off-chain actor in intent-based systems that competes to fulfill user intents in the most efficient way. Solvers find the best execution paths across DEXs, bridges, and chains, then submit solutions on-chain. Competition between solvers should result in better prices for users.

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Related Terms

Intents

A new paradigm where users specify what they want to achieve (the intent) rather than how to achieve it (specific transactions).

Intent-Based Trading

A new approach where users specify what outcome they want (like 'swap 1 ETH for the most USDC possible') and solvers compete to fill that intent.

Relayer

A service that facilitates transactions between parties without taking custody of funds.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

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