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BTC Options

Defaults used by the viewer, broadcaster, and Alex AI wallet. No server account — everything stays on this device.

Bitcoin network

Node API (Esplora-compatible)

Used for balances, UTXOs, fee estimates, and broadcast. Examples: mempool.space/api, blockstream.info/api

Default fee rate (sat/vB)

Default address type

Always ask for confirmation before signing & broadcasting

BlueWallet

open source

BlueWallet is a free, open-source Bitcoin wallet. This app works alongside it: watch addresses here, sign in BlueWallet.

"Open BlueWallet app" uses the app's deep link — it works on a phone where BlueWallet is installed.