# DappControl

`DAppControl.sol` is where frontends, APIs, and applications define functions that will execute at specific stages during the Atlas transaction.  The contract also contains app-specific settings, such as the address of permitted bundlers, or if the asynchronous processing of User nonces is permitted. These functions and settings are referenced by the Atlas smart contract during execution to create a trustless environment that is maximally composable with the DApp's existing smart contracts - no upgrades or redeployments are required. &#x20;

<figure><img src="/files/mRI37M2BWcR4FChPfh0S" alt=""><figcaption></figcaption></figure>


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