1inch Aggregation Protocol

The swap engine

1inch was built on

Integrate smarter swap execution

Cost-efficient and secure transactions across multiple liquidity sources.

The protocol harnesses the Pathfinder algorithm to uncover the most price-efficient routing across all integrated liquidity sources.

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Cutting-edge DeFi research

Dig deeper with the 1inch Fusion+ Protocol white paper. The 1inch Network is committed to open-source research for the benefit of the DeFi community.

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Access 270+ protocols

Ethereum
Binance
Polygon
Optimism
Arbitrum
Gnosis
Avalanche
ZkSyncEra
Base
Linea
Unichain
Sonic
Solana

1inch began in 2019, when Anton Bukov and Sergej Kunz built the prototype Aggregator Protocol at ETHGlobal New York

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