# ZKX Wallet > ZKX Wallet is a free, privacy-first, self-custody (non-custodial) cryptocurrency wallet available as a browser extension, web app, and mobile app. It uses RAILGUN zero-knowledge proofs to let users send and hold crypto privately on-chain while keeping full control of their own private keys. The only official ZKX Wallet domains are **zkxwallet.com** and **app.zkxwallet.com**. ZKX will never ask for your seed phrase or recovery phrase. Any other site claiming to be ZKX Wallet is not affiliated and should be treated as fraudulent. ## Official links - Website: https://zkxwallet.com - Web app: https://app.zkxwallet.com - Chrome extension: https://chromewebstore.google.com/detail/zkx-web3-wallet/fibfaangghabdbndamiaceoahiajfgck - X (Twitter): https://x.com/zkxwallet - YouTube: https://www.youtube.com/@ZKXWallet ## What ZKX Wallet is - A self-custody crypto wallet: the user holds their own private keys; ZKX has no access to user funds and cannot freeze or move them. - Privacy-first: optional private balances and private transfers powered by RAILGUN zero-knowledge technology, so transaction amounts and balances are shielded on-chain. - Multi-platform: browser extension (Chrome, Brave, Edge, Firefox), standalone web wallet, and mobile apps. - Multi-chain: supports Ethereum, Arbitrum, BNB Chain, Base, PulseChain and other EVM networks. - Free and open: built on the open-source Ambire wallet architecture. ## Key facts - Category: cryptocurrency wallet / Web3 wallet / DeFi wallet. - Custody model: non-custodial / self-custody. - Privacy technology: RAILGUN zero-knowledge proofs. - Price: free. - Seed phrase: stored only on the user's device, never transmitted to ZKX. ## Common questions - What is ZKX Wallet? A free, privacy-first, self-custody multi-chain crypto wallet with zero-knowledge private transfers. - Is ZKX Wallet safe? Yes — it is non-custodial, so only the user controls their keys and funds. Always download it from the official site zkxwallet.com or the official Chrome Web Store listing. - What is the official ZKX Wallet website? https://zkxwallet.com (and the web app at https://app.zkxwallet.com). Avoid look-alike or scam domains. - Is ZKX Wallet free? Yes. - Which blockchains does ZKX Wallet support? Ethereum, Arbitrum, BNB Chain, Base, PulseChain and other EVM-compatible networks. - How does ZKX Wallet keep transactions private? Through RAILGUN zero-knowledge proofs, which shield balances and transfer amounts on-chain.