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Smart order router Meaning

A Smart Order Router is the specific software engine that executes the routing logic. It acts as an intermediary between the user's interface and the various liquidity pools.

It is essentially a Search Engine for Liquidity, constantly pinging APIs and querying smart contract states to build the most profitable "Trade Path" in real-time.Modern routers use "Graph Theory" to find paths through multiple tokens. If you want to swap Token A for Token C, the router might find that going A→B→C is cheaper than A→C directly due to higher liquidity in the intermediate pools.

This "Multi-hop" capability is what allows even obscure altcoins to be traded efficiently by routing them through "Anchor" assets like ETH or USDC.The competitive advantage of a router lies in its Latency and "Off-chain" calculation speed. By calculating the path off-chain and then presenting the final "Encoded" transaction to the user's wallet, the router saves the user time and money.

As DeFi becomes more fragmented across different "Layer 2" networks, cross-chain smart order routers are becoming the next frontier, allowing users to swap assets between different blockchains seamlessly.

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