# Architecture

Flex Pools is a modular liquidity protocol designed for intent-based cross-chain execution. It allows solvers to borrow assets on one chain and return them on another using standardized *borrow-and-return* operations. These operations are carried out through a variety of secure whitelisted *taker* adapters to third-party providers.

<figure><img src="/files/PxFJ0hgVNneXuKxtLGnh" alt=""><figcaption><p>Example of workflow of asset-locking protocol</p></figcaption></figure>

The system is organized into *enclaves* – sets of EIP-4626 tokenized vaults deployed across multiple chains for a single logical asset. Each vault manages deposits, withdrawals, and share accounting on its respective chain. The vaults within an enclave are connected through a common infrastructure that handles cross-chain messaging and verification, leveraging *event verifiers* backed by *oracles* to ensure execution validity.

The protocol is designed to be composable, enabling integration with various *taker* adapters, *event verifiers*, and *tuners* defining fee models.


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