> For the complete documentation index, see [llms.txt](https://crypto-outlaws.gitbook.io/crypto-outlaws-roadmap/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://crypto-outlaws.gitbook.io/crypto-outlaws-roadmap/details-on-the-dapp/layer-2-scaling-technology.md).

# Layer 2 Scaling Technology

The main problem, up until now, for building a poker playing decentralized app on the Ethereum blockchain has been gas fees (i.e. transaction costs) of using the network.

Transaction costs can be completely prohibitive to the use of an application like this on-chain. For example, if you sit down to play with $100 worth of Eth and after each poker hand when the transactions settled you ended up with $13 worth of Eth lost to transaction fees... there is no way that could be an practical or enjoyable experience.

In comes ZK rollups, using Zero Knowledge proof technology, we can drastically reduce transaction fees, by 100-200x, while maintaining the security and decentralization of Ethereum main-net. 

This will mean only pennies (or less) per hand lost to transaction costs, so playing on-chain becomes practical. Also transaction speeds are much, much faster, settling almost instantly.

We have devised an architecture utilizing ZK rollups, that we can implement either with StarkWare or zkSync that brings those transaction costs down enough that playing on-chain is practical.

![](/files/C9yziJA0PEMCbRoXMslq)


---

# 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:

```
GET https://crypto-outlaws.gitbook.io/crypto-outlaws-roadmap/details-on-the-dapp/layer-2-scaling-technology.md?ask=<question>
```

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.