The home for Hyperlane core contracts, sdk packages, and other infrastructure
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hyperlane-monorepo/solidity/contracts/middleware
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README.md

Middleware Contracts

Interchain Accounts

An interchain account is a smart contract that is deployed on a remote chain controlled exclusively by the origin chain's deployer account. Interchain accounts provide developers with a transparent multicall API to remote smart contracts. This avoids the need to deploy application specific smart contracts on remote chains while simultaneously enabling cross-chain composability.

See IBC Interchain Accounts for the Cosmos ecosystem equivalent.

Interchain Query System

The interchain query system generalizes view calls to contracts on remote chains. It is a transparent multicall API that can be used to query remote smart contracts. This avoids the need to deploy application specific smart contracts on remote chains while simultaneously enabling cross-chain composability.

See IBC Interchain Query System for the Cosmos ecosystem equivalent.