> For the complete documentation index, see [llms.txt](https://docs.zipper.trade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zipper.trade/faq-and-troubleshooting/common-questions.md).

# Common Questions

#### **General Questions**

1. **What is Zipper?**
   * Zipper is a protocol that enables the secure wrapping and unwrapping of assets from various blockchains into Fabric-compatible zAssets.
2. **What are zAssets?**
   * zAssets are tokenized representations of external blockchain assets, fully backed 1:1 and designed for use within the Fabric ecosystem.
3. **Which blockchains are supported?**
   * At launch, Zipper supports Ethereum, Solana, Binance Smart Chain, Avalanche, Dogecoin, and Litecoin, with plans to expand compatibility over time.

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#### **Transaction-Related Questions**

1. **How long does a transaction take?**
   * Transaction times depend on the blockchain’s network congestion and the confirmation process. Most transactions complete within a few minutes.
2. **What happens if my transaction fails?**
   * If a transaction fails:
     * Wrapping: The original asset remains in your wallet.
     * Unwrapping: The zAsset remains in your wallet.
     * You can retry the transaction once the issue is resolved.
3. **How can I track my transaction?**
   * Use FabricScan or the block explorer for the originating chain to monitor the status of your transaction.

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#### **Security and Compliance Questions**

1. **How does Zipper ensure security?**
   * Zipper uses multi-signature wallets and TEE protocols to safeguard user funds and prevent unauthorized access.
2. **What compliance checks does Zipper perform?**
   * Zipper integrates with chain monitoring services to screen for flagged wallets or transactions involving sanctioned addresses.
3. **Can unverified assets be wrapped?**
   * Yes, but users are warned before proceeding. Verified assets are clearly marked on the Zipper website and Polyester exchange.