TUTORIAL · MUUN

How to accept Bitcoin with Muun.

A step-by-step guide to accepting Bitcoin payments with Muun — a non-custodial Lightning wallet with simple setup and solid backup options.

Non-custodial
Lightning payments
Muun is a non-custodial Lightning wallet — meaning you own your Bitcoin, not Muun. It’s slightly more involved than Wallet of Satoshi but offers more sovereignty. A good step up once you’re comfortable with the basics.

Creating an invoice

To accept a payment, generate an invoice by tapping Receive and setting an amount. Here’s how:

Open the app and tap “Receive”
Tap “Add+” to set the payment amount
Tap “Add+” to add an amount
QR code ready to scan
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Tips:
  • Make sure “Lightning” is selected at the top — not on-chain.
  • You can toggle between sats and your local currency when entering the amount.
  • The customer scans the QR code to pay.
  • You can also copy the address (the long string starting with lnbc1u1p5wm…) and send it to the customer if they can’t scan the QR code.

Viewing paid invoices

Once a payment is received you can view your transaction history from the home screen.

Tap the small white upward arrow on the home screen
Tap a transaction for mor details
Full transaction details

Backing up your wallet — email

Until you back up, any Bitcoin in the wallet will be lost if you delete the app or your phone breaks. Do this now.

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Important: Back up your wallet before accepting any significant payments. This takes two minutes and protects your funds permanently.

Tap the first backup option and enter your email
Tap the 1st option
Enter your email after tapping “Start”
Set a password and finish
Set a password — don’t forget it
Check the boxes and tap “Finish”
Success!
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Password tip: Write your password down and store it somewhere safe. You will need it to recover your wallet. If you forget it, your recovery code (from the alternative backup method below) can be used instead.

Your wallet and Bitcoin are now linked to your email. Done!

Backing up your wallet — recovery code

As a second backup method, Muun lets you generate a recovery code — a series of 32 letters and numbers you write down manually. This is your ultimate safety net.

Tap “Create an alternative backup”
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Important: The app will display a 32-character code — screenshots are disabled on this screen by design. Write it down by hand, in order, exactly as it appears. Keep it somewhere safe and separate from your phone.

The app will then ask you to re-enter the code to verify you wrote it down correctly. Once confirmed, your wallet has a second layer of backup protection.

Recovering your wallet

If you reinstall Muun or get a new phone, choose “Restore Wallet” when you first open the app.

Restore via email or recovery code
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Recovery process:
  • Enter your email and Muun will send a verification link.
  • Switch to your email app, verify, then switch back to Muun. You’ll need your password to complete recovery.
  • If you don’t remember your password, use your recovery code instead — it will send a verification email and ask you to set a new PIN.

Securing your bitcoin

Muun is non-custodial which is a step up from Wallet of Satoshi — you own your keys. But it’s still a hot wallet connected to the internet. Here’s what to do as your balance grows.

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Hot wallet reminder: Muun is designed for spending and receiving, not for holding large amounts long-term. As your Bitcoin balance builds up, move it regularly to cold storage.
Transfer to cold storage regularly

Generate a receiving address from your cold storage wallet (Coldcard or Trezor), copy it, then tap “Send” in Muun to transfer your accumulated balance. Don’t let significant funds sit in a hot wallet.

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Not sure about cold storage? Check out my guide Bitcoin Is For Everyone for a full walkthrough, or book a one-on-one session and I’ll walk you through it personally.
WHAT’S NEXT

Keep going.

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