Celer IM Overview

Celer IM fundamentally changes how multi-blockchain dApps are built and used. Instead of deploying multiple isolated copies of smart contracts on different blockchains, developers can now build inter-chain-native dApps with efficient liquidity utilization, coherent application logic, and shared states. Users of Celer IM-enabled dApps will enjoy the benefits of a diverse multi-blockchain ecosystem with the simplicity of a single-transaction UX, without complicated manual interactions across multiple blockchains. 
The Celer IM framework is very easy-to-use and allows a “plug’n’play” upgrade that often requires no modifications with already deployed code. As an example, Uniswap and Sushiswap can be transformed into an inter-chain-native DEX with just a simple plug-in. 
A demonstration of what it looks like in real-world and you can try here:​
The demo above shows an example where a user of Sushiswap can swap their ETH on Arbitrum to BNB on Binance Smart Chain (BSC) with a single, simple transaction. Behind the scenes, the following has happened:
ETH -> USDT on the Arbitrum-side via Sushiswap 
USDT on Arbitrum is bridged to BSC via cBridge as part of the Celer IM framework
An inter-chain message to execute a USDT->BNB swap is sent to BSC via Celer IM
USDT -> BNB swap on BSC-side Sushiswap is triggered by that remote call on Sushiswap

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Inter-chain App Use Cases

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