# Gerfaut

- [Gerfaut](https://gerfaut-wallet.com/docs/index.md): The ultimate bitcoin watch-only wallet, for Android, Linux, macOS and Windows. Add a wallet, follow its balance and get notified when coins move.
- [What is Gerfaut](https://gerfaut-wallet.com/docs/getting-started/what-is-gerfaut.md): Gerfaut is a watch-only bitcoin wallet for Android and desktop that holds no private key. See what it does for the wallets you give it.
- [Install on Android](https://gerfaut-wallet.com/docs/getting-started/install-android.md): Download the Gerfaut APK that matches your processor, allow the install, take the welcome tour and update Gerfaut without losing your wallets.
- [Install on desktop](https://gerfaut-wallet.com/docs/getting-started/install-desktop.md): Download Gerfaut for Linux, macOS or Windows, get past the warning of your system, take the welcome tour and keep Gerfaut up to date.
- [Verify a download](https://gerfaut-wallet.com/docs/getting-started/verify-your-download.md): Prove that a Gerfaut installer or APK is the file the author published, by checking it against the signed hash list of its release.
- [Wallets](https://gerfaut-wallet.com/docs/wallets/overview.md): Add the wallets you want Gerfaut to watch, from a descriptor, an extended public key or a single address, and read their spending policy.
- [Add a wallet](https://gerfaut-wallet.com/docs/wallets/add-a-wallet.md): Start watching a wallet in Gerfaut from its descriptor, extended public key or address: paste it, open a file or scan a QR code, then check the first address.
- [Wallet types](https://gerfaut-wallet.com/docs/wallets/wallet-types.md): See which wallet material Gerfaut accepts, from descriptors and extended public keys to multisig, BSMS records and export files, and what it refuses.
- [Watch an address](https://gerfaut-wallet.com/docs/wallets/watch-an-address.md): Watch a single bitcoin address in Gerfaut when you have no descriptor or extended public key, and see what an address alone cannot show.
- [Read a policy](https://gerfaut-wallet.com/docs/wallets/policy-and-timelocks.md): Open a wallet's Policy page in Gerfaut to see each spending path of its descriptor, the signing keys it needs and how long its timelock runs.
- [Everyday use](https://gerfaut-wallet.com/docs/everyday-use/overview.md): Read balances and history, open transactions and coins, hand out receive addresses and broadcast a transaction your signing device signed.
- [Balance and history](https://gerfaut-wallet.com/docs/everyday-use/balances-and-history.md): Open a wallet in Gerfaut, read its balance and pending amounts, sync it, browse its transactions, hide every amount and export the history as CSV.
- [Open a transaction](https://gerfaut-wallet.com/docs/everyday-use/transaction-details.md): Open a transaction in Gerfaut to read its amount, follow its inputs and outputs on a diagram, check its fee and facts, and look it up on mempool.space.
- [UTXOs](https://gerfaut-wallet.com/docs/everyday-use/utxos.md): List the unspent outputs behind a wallet's balance in Gerfaut and read the outpoint, the address, the status and the amount of each coin.
- [Receive](https://gerfaut-wallet.com/docs/everyday-use/receive-addresses.md): Get the next unused address of a wallet in Gerfaut with its QR code, skip ahead to another address, and audit every address the wallet revealed.
- [Broadcast](https://gerfaut-wallet.com/docs/everyday-use/broadcast-a-transaction.md): Hand a transaction signed on your signing device to the bitcoin network from Gerfaut, read what it does before it goes out, and follow it to confirmation.
- [Settings](https://gerfaut-wallet.com/docs/settings/overview.md): Pick where Gerfaut reads the chain, trust your own server, route through Tor, get notified, lock the app and back up the wallets you watch.
- [Backend](https://gerfaut-wallet.com/docs/settings/backends-and-your-own-node.md): Pick the network Gerfaut shows and where it reads the chain: the public servers, your own Esplora endpoint or your own Electrum server.
- [Certificates](https://gerfaut-wallet.com/docs/settings/certificates.md): Trust the self-signed certificate of your own Electrum server by its fingerprint, and decide what to do when a server's certificate changes.
- [Tor](https://gerfaut-wallet.com/docs/settings/tor.md): Reach a backend on a .onion address through the Tor client built into Gerfaut or the one already on your device, then test the route.
- [Units and fiat](https://gerfaut-wallet.com/docs/settings/units-and-fiat.md): Show every amount in Gerfaut in BTC or in sats, and add its fiat value in one of 30 currencies, with the price from mempool.space or CoinGecko.
- [Appearance](https://gerfaut-wallet.com/docs/settings/appearance.md): Switch Gerfaut between its light theme, its dark theme and the theme of your system, and make room on desktop by collapsing the sidebar.
- [App lock](https://gerfaut-wallet.com/docs/settings/app-lock.md): Lock Gerfaut behind a PIN or a password, unlock it with biometrics on Android, and hide it behind a working calculator on your launcher.
- [Backup and sync](https://gerfaut-wallet.com/docs/settings/backup-and-sync.md): Save every wallet you watch in an encrypted Gerfaut backup file or an animated QR code, and restore it on another phone or computer.
- [Notifications](https://gerfaut-wallet.com/docs/settings/notifications.md): Get notified when a transaction reaches the mempool and when it confirms, see when each check runs, let Live follow every address and add a widget.
- [Android](https://gerfaut-wallet.com/docs/changelog/android.md): Read what each release of Gerfaut for Android adds or changes, from the first release on, restated from the changelog of the gerfaut-mobile repository.
- [Desktop](https://gerfaut-wallet.com/docs/changelog/desktop.md): Read what each release of Gerfaut for Linux, macOS and Windows adds or changes, from the first release on, restated from the desktop repository's changelog.
- [FAQ](https://gerfaut-wallet.com/docs/help/faq.md): Get short answers to the questions people ask most about Gerfaut, its privacy, its notifications and its backups, each with the page that goes further.
- [Contact](https://gerfaut-wallet.com/docs/help/contact.md): Reach the author of Gerfaut with a question, report a bug on GitHub, or report a security vulnerability privately, in English or in French.


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