> For the complete documentation index, see [llms.txt](https://diary.duckchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://diary.duckchain.io/8.-appendices/8.1-glossary.md).

# 8.1 Glossary

Understanding key terms is critical to navigating the DuckChain ecosystem effectively. Below are definitions of important blockchain and DuckChain-specific terminology:

* **Arbitrum Orbit:** A Layer 2 technology used to enhance scalability, efficiency, and cost-effectiveness for DuckChain.
* **Account Abstraction:** A feature enabling users to manage accounts without complex private key mechanisms, simplifying on-chain operations.
* **Decentralized Oracle Layer (DOL):** DuckChain’s mechanism for synchronizing and verifying data between DuckChain and TON, ensuring transparency and security.
* **Decentralized Asset Verification Layer (DAVL):** Facilitates secure cross-chain asset transfers and ensures data consistency across blockchain networks.
* **EVM Compatibility:** The ability to run Ethereum-compatible smart contracts, tools, and dApps seamlessly on DuckChain.
* **AI Module**: DuckChain integrates AI to simplify Web3, offering personalized assistants, AI-driven governance, and smart tools for effortless blockchain adoption.
* **TON:** Telegram Open Network, a blockchain ecosystem closely tied to Telegram’s user base and native features.
* **Telegram Star:** A digital asset within Telegram’s ecosystem used for payments, gas fees, and dApp interactions on DuckChain.
* **Unified Gas System:** DuckChain’s mechanism allows users to pay gas fees in various tokens, enhancing user experience and liquidity.