Move bitcoin in and out of Bark Wallet with the Send and Receive buttons at the top right, available from every page. A Scan button appears alongside them when the browser can use a camera, which requires a secure (HTTPS) connection. Over umbrelOS’s default HTTP connection, Scan stays hidden.
Receive opens on the Pay to tab: one QR code, a single BIP-321 payment link that contains:
Your Ark address.
A Lightning invoice, once you enter an amount.
Your on-chain address.
The sender’s wallet app picks the cheapest network it supports, and the pills underneath show which networks the QR code covers.
One QR code, payable over Ark, Lightning, or on-chain
The other tabs isolate a single network:
Ark: An Ark address, for payments from wallet apps on the same Ark server.
Lightning: A BOLT11 invoice. Enter an amount to generate it.
On-chain: An on-chain address.
Where the bitcoin lands depends on the network:
Ark and Lightning payments arrive in your off-chain balance as VTXOs, ready to spend immediately.
On-chain payments arrive in the on-chain balance, the wallet app’s reserve for emergency exit fees and on-chain sends.
You can attach a label and tags under Additional details; they’ll mark the incoming payment in your history. New address (or New invoice on the Lightning tab) generates a fresh one.
Or select Scan to point the camera at a QR code directly.
2
Paste or scan the destination
Bark Wallet accepts:
Ark addresses
On-chain addresses
BOLT11 invoices
BOLT12 offers
Lightning addresses
LNURL links
BIP-321 payment links
For Lightning addresses, you can add an optional Message under Additional details; it travels with the payment.
3
Pick the network, if the destination offers several
A BIP-321 payment link may be payable over more than one network. The app preselects the cheapest and shows the alternatives as pills, each with its fee; Ark shows as free.
One payment link, three networks to choose from
4
Enter the amount
Use the toggle in the field to switch between bitcoin and fiat entry. Invoices that carry a fixed amount fill and lock the field. The estimated fee appears under the amount.
5
Select Confirm send
The payment appears in your history with its status.
For an on-chain destination, a Pay from selector also appears. It defaults to your Ark balance and can stay there. Its On-chain wallet option spends the on-chain balance instead, and only pays on-chain addresses.
From the Ark balance: Sends to Lightning or on-chain destinations carry fees that scale with the amount and your VTXOs’ remaining lifetime; sends to an Ark address are free. See Second’s pricing.
When the destination you enter is registered with Branta, a verification panel names the platform it belongs to, so you can confirm the payment details match who you think you’re paying. Recipients opt in to Branta on their side: no panel simply means the destination isn’t registered, not that anything is wrong.
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