> For the complete documentation index, see [llms.txt](https://optim-finance.gitbook.io/optim-finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview.md).

# High Level Overview

- [System Design](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design.md)
- [Account Abstraction Functionality](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/account-abstraction-functionality.md)
- [Guaranteed Transactions](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/guaranteed-transactions.md)
- [Instant Finality](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/instant-finality.md)
- [Unbreakable Transaction Chaining](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/unbreakable-transaction-chaining.md)
- [Layer 2 Execution Environment](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/layer-2-execution-environment.md)
- [Future Sequencer Network](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-design/future-sequencer-network.md)
- [System Context](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context.md)
- [Limitations of current transactions chaining paradigm](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context/limitations-of-current-transactions-chaining-paradigm.md)
- [Limitations of current inter dApp composability issues](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context/limitations-of-current-inter-dapp-composability-issues.md)
- [Explanation of basic design and non-custodial asset inputs](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context/explanation-of-basic-design-and-non-custodial-asset-inputs.md)
- [Intent Based Transactions](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context/intent-based-transactions.md)
- [Account Base vs eUTxO model app architecture](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/system-context/account-base-vs-eutxo-model-app-architecture.md)
- [Theoretical Applications](https://optim-finance.gitbook.io/optim-finance/leviathan/english/high-level-overview/theoretical-applications.md)