> For the complete documentation index, see [llms.txt](https://docs.kastle.cc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kastle.cc/kastle-wallet-help-center/faqs.md). # FAQs ## 🧭 [**General**](#general) *** ### **Why does my Kastle wallet show a 0 balance even though the explorer shows my funds?** This is usually caused by temporary RPC congestion.\ Your funds are safe β€” if the Kaspa explorer shows the transaction as β€œreceived”, the wallet will sync once the RPC reconnects properly. *** ### **Why do transactions feel slow sometimes?** Transaction speed depends on network load and RPC responsiveness.\ Kastle broadcasts your transaction immediately, but confirmation time varies with network conditions. *** ### **Does Kastle have a public roadmap?** Yes. Major updates are shared in our docs, release notes, and on X. We typically release updates every two weeks. *** ### **Will Kastle support multiple languages (e.g., Chinese)?** Yes β€” full localization support (including Chinese) is planned and on the roadmap. *** ## πŸ” [**Wallet Setup & Security**](#wallet-setup-and-security) *** ### **Why can’t I create a 24-word seed phrase in Kastle?** Kastle currently supports **12-word recovery phrases** only.\ Support for additional mnemonic formats may be added later. *** ### **Can I export private keys from a wallet created from a seed phrase?** Not yet.\ Kastle only allows exporting private keys for wallets imported **via private key**.\ For seed-based wallets, private key export is disabled for security reasons. *** ### **Is Kastle open source?** * **Browser extension:** Yes, available on GitHub. * **Mobile app:** Will be progressively open-sourced as internal components mature. *** ## 🧩 [**Addresses & Migration**](#addresses-and-migration) *** ### **How can I check if I am using a Legacy EVM address and migrate safely?** Go to **Settings β†’ Legacy EVM Address**: * If the toggle is **off** β†’ you're using the correct address. * If the toggle is **on** β†’ 1. Turn it off to reveal your standard EVM address 2. Transfer assets to this standard address 3. Keep Legacy mode off once funds are moved *** ## πŸ’³ [**Hardware Wallets**](#hardware-wallets) *** ### **Does Kastle support Ledger or Tangem on mobile?** * **Ledger:** Mobile support is coming soon * **Tangem:** Also planned as part of upcoming hardware integrations * **Extension:** Ledger is already supported for Kaspa L1 *** ### **Can I use Ledger with EVM / Kasplex / L2 networks?** Not yet.\ Ledger currently supports **Kaspa L1 only**.\ L2/EVM Ledger support requires a different implementation. *** ## πŸ”„ [**L1 / L2 Bridges**](#l1-l2-bridges) *** ### Is there a way to bridge **from L1 KAS to L2 KAS** within the wallet? It's not available now, but it's in development and it's coming soon with the next update on mobile. ### **How do I transfer KAS from L1 to L2?** Use the official **Kurve Bridge (Kaspa Foundation):**\ πŸ‘‰ ### **How do I bridge KRC20 or KRC721 tokens?** Use the **KAT Bridge**, which is specifically designed for KRC-standard assets. *** ## πŸ’° [**Tokens (KAS, KRC20 & L2)**](#tokens-kas-krc20-and-l2) *** ### **Does Kastle support KRC20 tokens? Can I hold them?** Yes β€” Kastle supports holding and viewing **KRC20 tokens** in both extension and mobile. *** ### **Which API does Kastle use to fetch KRC20 token prices?** Kastle uses **Kasplex APIs** for all KRC20 price and valuation data. *** ### **Are KRC20 swaps supported in Kastle?** No.\ Due to how KRC20 tokens are implemented (chunk-based buying/selling), **swaps are not technically possible**. *** ### **Will Kastle support swaps?** Yes β€” but **only for L2 assets**.\ Swaps for L2 tokens will be available soon through integrated DEX providers. *** ## 🎨 [**NFTs (ERC-721 & KRC721)**](#nfts-erc-721-and-krc721) *** ### **Can Kastle hold ERC-721 NFTs?** Yes.\ Kastle fully supports **ERC-721 NFTs** on L2 networks β€” including viewing, receiving, and transferring β€” on both mobile and extension. *** ### **Does Kastle support KRC721 NFTs?** Partially.\ Viewing is supported, full **KRC721 transfer support** is coming soon. *** ### **Can I buy or sell NFTs inside Kastle?** Not natively yet.\ Kastle supports **transfers** for ERC-721 NFTs, but buying/selling will become available through the **in-app browser**, which will let you access external marketplaces. *** ### **Why couldn’t I send NFTs previously on mobile?** This has now been updated: * **ERC-721 transfers:** Supported on both mobile & extension * **KRC721 transfers:** Coming soon *** ## 🧱 [**DApps, WalletConnect & Browser Features**](#dapps-walletconnect-and-browser-features) *** ### **Is WalletConnect supported?** * **Extension:** Already works with RainbowKit * **Mobile:** Not yet, integration is in progress\ Developer documentation will be published once support is live. *** ### **Will Kastle have an in-app browser?** Yes β€” this feature is coming soon and will enable: * NFT marketplace interactions * Token discovery * DEX integrations * KNS marketplace support *** ### **Can I expand the browser extension into a full-page view?** This feature is on the UX improvement list and being tracked. *** ### **Can the wallet be used to sign and interact with smart contracts?** At the moment no but the wallet already supports Kaspa L2s (Kasplex and Igra) and you can send and receive L2 tokens in those. ## πŸ“œ [**Activity & History**](#activity-and-history) *** ### **Is there a transaction history inside Kastle?** Yes β€” Kastle now includes **full KAS transaction history**, available on both: * **Mobile app** * **Browser extension** More detailed token histories will be added progressively. *** ## πŸ§ͺ [**Testnet**](#testnet) *** ### **How can I get test KAS or test tokens?** Use the official faucet:\ πŸ‘‰ *** ## πŸ› οΈ [**Troubleshooting**](#troubleshooting) *** ### **Why doesn’t the wallet work on my PC or iPhone? Are my funds safe?** Yes β€” your funds are always safe on-chain.\ Issues usually stem from temporary RPC outages. Once resolved, the wallet will resume normal behavior. *** ### **Why does my Kastle wallet show a 0 balance?** This is due to RPC congestion. The wallet will sync as soon as the connection stabilizes, and your funds remain safe. ***