BlueWallet 101


What is Blue Wallet?

Blue Wallet is a mobile Bitcoin and Lightning wallet available on Android and iOS. An APK can also be downloaded directly from their website. Blue Wallet comes packed with features and is completely open source. One of Blue Wallet's main strengths is simplicity, it takes precisely 4 clicks to create a wallet. Perfect for Bitcoin newcomers!



Features

Here's a quick rundown of Blue's features...

  • Connect to your own node via Electrum (local IP only so you will need a VPN for remote access outside your nodes network)

  • Connect to your own lightning node via LND Hub

  • Manage multiple wallets

  • Add entropy via dice rolls when creating a wallet

  • Show balances in BTC, sats or fiat

  • Watch only wallets

  • Plausible deniability feature (hides main balance in case of attack)

  • Replace by fee (bump transaction fee option)

  • PSBT (works with your Coldcard)

  • Lightning app marketplace

  • Local trader interface for buying and selling via HodlHodl


Connecting Blue Wallet to your node

This is not essential to use Blue Wallet but if you have spent any time at all on my website then you would know by now that if you aren't trusting your own node to interact with Bitcoin, you are trusting someone else's. If you aren't interested in this right now feel free to skip this section and continue on with 'Creating a wallet' below.


Blue Wallet connects to your own node using Electrum Server, a version of which comes with all of the popular node implementations. Here's how to connect, remember always do this before creating or importing any wallets to avoid exposing your wallet data to someone else's node.


1. From the home screen tap the three horizontal dots in the top right hand corner and you will be taken to the settings page.


2. Click network



3. From the network page, hit Electrum server.

4. Enter your node's local IP address in the first box and the secure port (50002) into the third box. Once connected you will be notified with a green status at the top of the page.


Now you're safely connected to your own node, let's make a new wallet.


Creating a wallet


1. From the home page press add now.

2. You can now give your wallet a name, select the wallet type (Bitcoin) and adjust advanced settings which aren't required to be changed for 99.9% of users. At this stage you have the option to roll a dice to add additional entropy to your wallet generation. This reduces the trust in the app's inbuilt random number generator. Again this is not a requirement but an optional feature for the more privacy concerned user.



3. Press create and you will then be shown a list of 24 words. Ensure you write these words down, keep them safe and share them with no-one. They are the master backup for your bitcoin and anyone with access to them can steal all of your funds.

You will then be taken to your home screen where you can view your wallet(s). Clicking on each one will give you the option to send or receive as well as give you the option to view all previous transactions.


In summary, what Blue Wallet lacks in privacy features such as Tor and wallet management features like coin selection it compensates for in simplicity. Blue Wallet is a great option for newcomers.


Where can I learn more?

If you want to try Blue Wallet for yourself visit their website and for the more technical user that wants to look under the hood, visit their GitHub. You can also drop into their Telegram group to keep up to date with any developments.


Finally, if you are interested in using your ColdCard with Blue Wallet, check out this video.


If you enjoyed this article and would like to read more from me please visit www.bitcoinqna.com and consider throwing a few sats in the tip jar.


Disclaimer - All views expressed in this article are my own and not those of the BlueWallet team.

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