> For the complete documentation index, see [llms.txt](https://arch-network.gitbook.io/arch-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arch-network.gitbook.io/arch-documentation/fundamentals/introducing-arch/bridgeless-execution.md).

# Bridgeless Execution

Unlike L2s and meta-protocols where users must bridge or wrap their assets and then send the assets to a smart contract, Arch allows users to send their assets directly through the smart contract invocation **without bridging or wrapping first**.

All asset transfers can occur using native bitcoin transactions involving UTXOs, although account-based systems such as Layer 2s can also be built using Arch (to optimize transaction speeds as high-performance chains do, for example).

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