> For the complete documentation index, see [llms.txt](https://arbistream.gitbook.io/arbistream.io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arbistream.gitbook.io/arbistream.io-docs/overview/chain-we-launch-on.md). # Chain We Launch On **Arbitrum** The ability to execute private and scalable smart contracts is the main benefit of the Arbitrum Chain blockchain. It achieves rapid transaction speeds while preserving a high level of security and decentralization thanks to a novel rollup architecture. **Fast:** Throughput is great, and finality is almost fast thanks to the roll-up architecture's ability to process transactions in parallel. **Cheap:** Compared to other chains, transactions only pay a small portion of gas taxes. Strong security guarantees are provided via Proof-of-Stake and independent validators located all over the world. The optimal atmosphere for decentralized finance (DeFi) and other financial applications is provided by Arbitrum Chain, which strives to be the area where attention and money flow on-chain. The goal of Arbitrum Chain is to become the hub of on-chain attention and financial activity. The goal of Arbitrum Chain is to become the hub of on-chain activity and financial activity, creating the ideal conditions for decentralized finance (DeFi) and other financial applications. na We will keep looking for new areas and approaches to extending our reach as our protocol develops. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://arbistream.gitbook.io/arbistream.io-docs/overview/chain-we-launch-on.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.