# Welcome Harmony is an open and fast blockchain. Our mainnet runs Ethereum applications with 2-second transaction finality and 1000 times lower fees. Harmony is your open platform for assets, collectibles, identity, governance. ## Build on Harmony This Gitbook document has introduction and resources for all audience: * **🎶** [General](https://docs.harmony.one/home/general/introduction) – technical features, application showcases, ecosystem partners, community channels. * **🏗️** [Developers](https://docs.harmony.one/home/developers/getting-started) – web3 toolkits, deploy tutorials, open bounties, hackathon prizes. * **🌏** [Network](https://docs.harmony.one/home/network) – token wallets, delegator economics, validator setup, governance dao. ## Bridge to All Chains * **🧠** [crypto ∩ ai](https://xn--qv9h.s.country/) – Market Research by Founder, Stephen Tse * **💪** [Roadmap](https://blog.harmony.one/p/harmony-2025-ai-agents-defi-on-exchangeone) – AI Agents, DeFi on Exchange.one, 1-Second Finality --- # Agent Instructions: 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: ``` GET https://docs.harmony.one/home/readme.md?ask= ``` The question should be specific, self-contained, and written in natural language. 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.