What are xApps?

Article on xApps apps, why you should switch from multichain to xchain and What Can You Build

xApps (pronounced “zaps”) are decentralized applications that perform operations between independent chains/execution environments, Ethereum and Avalanche, Polygon and Polkadot, but also Optimism and Arbitrum, for example…

https://blog.connext.network/45cf2705d17e