App screens

Two apps. One protocol.

Ark One for individuals and Ark One for merchants share the same design language and Bitcoin infrastructure.

Terracotta accent · Brew & Bean POS

Ark One · for merchants

6 screens · coffee-shop sample data · Bitcoin point of sale

9:41
Live
Brew & Bean
Fri · Jun 14 · Mission St · SF
Today's revenue
$384.20
₿ 0.00384200
+12%
Transactions
23
+5 vs yesterday
Avg ticket
$16.70
3.25 – 50 range
Recent payments
23 today
Counter
Lightning · 9:42 AM
+$5.00
5,000 sats
Counter
Lightning · 9:31 AM
+$4.50
4,500 sats
Mobile order #214
QR · 9:18 AM
+$12.25
12,250 sats
Home
Items
Charge
Analytics
Settings
01 · Home
9:41
Items
Add
12 items in catalog
Tap from charge screen to add to a sale
All
Drinks
Food
Espresso
18 sold today
$3.50
Americano
12 sold today
$4.00
Top
Latte
31 sold today
$5.00
Cappuccino
14 sold today
$4.75
Cortado
8 sold today
$4.50
Cold brew
22 sold today
$5.00
Home
Items
Charge
Analytics
Settings
02 · Items
9:41
New charge
Items
Custom amount
All
Drinks
Food
1
Latte
$5.00
1
Cold brew
$5.00
Espresso
$3.50
Americano
$4.00
2 items
$ 10 .00
10,000 sats
₿ 0.00010000
03 · Charge
9:41
Analytics
Today
Week
Month
All
Week revenue
+18.4%
$1,944.20
₿ 0.01944520
$312
Mon
$447
Tue
$289
Wed
$512
Thu
$384
Fri
Transactions
89
+12 vs last wk
Avg ticket
$16.84
Stable
Peak hour
8 AM
$112 in 60 min
Top item
Latte
31 sold today
Payment method
This week
Lightning 82% On-chain 18%
Home
Items
Charge
Analytics
Settings
04 · Analytics
9:41
Send
Lightning
ARK
Sending via
Lightning
Invoice
lnbc4500u1pnxy2kgdygjrs
qtzq2n0yrf2490sl3k9demo
Amount
$450.00
₿ 0.00450000 · 450,000 sats
Estimated fee~4 sats
05 · Send
9:41
Receive
Lightning
ARK
Your Lightning address
Address
lnbc1pnxy2kgdygjrsqtzq2
n0yrf2490sl3k9qp4f2ademo
06 · Receive
Teal accent · Self-custodial wallet

Ark One · for individuals

6 screens · personal Bitcoin wallet · ARK + Lightning

9:41
Self-Custody
"
"Bitcoin is the first scarce digital object." — Fidelity
Spendable Balance
$1,240.50
₿ 0.01240500
+2.4%
Balance expires in 9 days
Refresh your VTXO · ~300 sats fee
Refresh
Today
See all
Café Lumière
Lightning · 9:42 AM
−$4.80
4,800 sats
ARK received
On-chain · 8:15 AM
+$120.00
120,000 sats
Whole Foods
Lightning · 6:23 PM
−$34.20
34,200 sats
Home
Pay
Receive
History
Settings
01 · Home
9:41
Scan to send
Point at any Bitcoin, ARK, or Lightning code — we'll detect the type automatically.
Bitcoin · ARK · Lightning
02 · Pay
9:41
Confirm payment
Sending via
Lightning
Invoice
lnbc210u1pnxy2kgdygjrs
qtzq2n0yrf2490sl3k9demo
Amount
21,000 sats
≈ $0.22 USD
Encoded
Estimated fee~1 sat
03 · Confirm
9:41
Receive
ARK
Lightning
Your ARK address
Address
ark1qxy2kgdygjrsqtzq2n0
yrf2493p83kkfjhx0wlh
04 · Receive
9:41
History
May sent
$264.88
May received
+$1,220
Txns
15
Search transactions…
All
Sent
Received
Lightning
Today
Café Lumière
Lightning · 9:42 AM
−$4.80
4,800 sats
ARK received
On-chain · 8:15 AM
+$120.00
120,000 sats
Yesterday
Whole Foods
Lightning · 6:23 PM
−$34.20
34,200 sats
Izakaya Nori
NFC · 8:10 PM
−$62.00
62,000 sats
Alice → you
Transfer · 2:05 PM
+$50.00
50,000 sats
Home
Pay
Receive
History
Settings
05 · History
9:41
Settings
Ark One Wallet
bc1q…4f2a
Secure
Security
Biometric Lock
Change PIN
Auto-lock
5 min
Backup
View seed phrase
Export xpub
Network
Ark Server
https://ark.example.com
Edit
Esplora Server
https://blockstream.info/api
Edit
Learn
How ARK works
Replay onboarding
Ark One · v2.0 · open source
Home
Pay
Receive
History
Settings
06 · Settings