> For the complete documentation index, see [llms.txt](/ko/llms.txt).

Here, you can find a list of frequently asked questions (FAQs) about the PowPeg App.

## Summary

Frequently asked questions about the [PowPeg App](https://powpeg.rootstock.io/). For prerequisites, supported wallets, and supported browsers, see the linked guides below.

### Questions and answers

| # | Question | Answer |
|---|----------|--------|
| 1 | Requirements to use PowPeg App? | See [prerequisites](/resources/guides/powpeg-app/prerequisites/) |
| 2 | Common peg-out errors? | See [peg-out common errors](/resources/guides/powpeg-app/pegout/pegout-common-errors) |
| 3 | Derive BTC private key after peg-out? | See [deriving electrum](/resources/guides/powpeg-app/pegout/deriving-electrum#getting-a-wallet-private-key) |
| 4 | SegWit vs Legacy addresses? | Legacy is the original format. SegWit separates witness data and has lower fees |
| 5 | Address types for peg-in? | See [supported addresses](/resources/guides/powpeg-app/advanced-operations/supported-addresses/) |
| 6 | Why use PowPeg App vs protocol directly? | Simpler peg-in UX. See [overview](/resources/guides/powpeg-app/overview#why-use-the-powpeg) |
| 7 | Supported browsers? | See [supported browsers](/resources/guides/powpeg-app/advanced-operations/supported-browsers/) |
| 8 | Supported wallets? | See [supported wallets](/resources/guides/powpeg-app/advanced-operations/supported-wallets/) |
| 9 | Native peg-in completion time? | ~17 hours |
| 10 | Fast Mode peg-in time? | ~20 minutes via liquidity providers |
| 11 | Native peg-out completion time? | ~34 hours |
| 12 | Fast Mode peg-out time? | ~20 minutes via liquidity providers |
| 13 | Peg-in min and max? | Min 0.005 BTC. Max 10 BTC |
| 14 | Peg-out min and max? | Min 0.004 rBTC. Max 10 rBTC |
| 15 | Native peg-out BTC destination? | Derived from your signature. See [derivation details](/resources/guides/powpeg-app/pegout/deriving-electrum/) |
| 16 | Trezor "Forbidden key path" error? | Set **Perform Safety Checks** to **PROMPT** in Trezor Suite |
| 17 | Cannot connect Trezor? | Allow pop-ups for PowPeg domain. Confirm Trezor Suite safety checks. Retry connection |
| 18 | Peg-out complete but no BTC in Trezor/Electrum? | Use Electrum with correct derivation path. See [deriving electrum troubleshooting](/resources/guides/powpeg-app/pegout/deriving-electrum#troubleshooting-zero-balance) |

### Related guides

- [Glossary](/resources/guides/powpeg-app/glossary/)
- [Peg-in guides](/resources/guides/powpeg-app/pegin/)
- [Peg-out guides](/resources/guides/powpeg-app/pegout/)

````mdx-code-block


    </Accordion.Body>
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````


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## Next

See [Glossary](/resources/guides/powpeg-app/glossary/) section for explanation of terms.