> For the complete documentation index, see [llms.txt](https://docs.ethgas.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ethgas.com/solutions-for-you/protocols-and-dapps.md).

# Protocols & dApps

Your users judge you on one thing: does the app feel fast and reliable? On default Ethereum you can't promise that: transactions wait for the next block, fail during congestion, and cost an unpredictable amount. ETHGas lets you build on infrastructure that removes that friction at the source.

**The Solution: Build on Realtime Blocks**

ETHGas breaks Ethereum blocks into synthetic sub-blocks that settle in **50–100ms**, giving your users near-instant, reliable confirmation instead of the 12-second wait.

* **Instant UX:** Give users Web2-speed feedback. Preconfirmations mean a transaction is guaranteed inclusion before the block is even built.
* **Reliable execution:** Reserve blockspace ahead of demand so critical actions land even when the network is congested — no more failed sends at the worst possible moment.
* **Predictable cost:** Blockspace bought in advance at a known price lets you offer users stable, predictable fees.

**Also available: sponsor gas with Open Gas**

Want to remove gas from the user experience entirely? The Open Gas Initiative is a zero-code rebates program that lets you subsidize gas fees for your community — a powerful acquisition and retention tool.

* Reward loyal users by rebating a share of the gas they spend on your protocol.
* Run acquisition campaigns using gas rebates as the hook.

**Get started**

1. **Ship the instant UX:** Surface instant confirmation with [Realtime Execution](/overview/realtime.md) to your users.
2. **Enable execution certainty:** see [Blockspace & Preconf Marketplace](/overview/blockspace-and-preconf-marketplace.md) and Technical Integration as [Commitment Buyers](https://docs.ethgas.com/get-started/commitment-buyers)
3. **Remove gas uncertainty:** Join the [Open Gas](/program/open-gas.md) partner program to sponsor gas rebates


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